Astm rating sleeping pad. Aug 30, 2021 - Learn about the new ASTM standard for sleeping pad testing and what it means for your current and future Therm-a-Rest pad’s R-value. Astm rating sleeping pad

 
Aug 30, 2021 - Learn about the new ASTM standard for sleeping pad testing and what it means for your current and future Therm-a-Rest pad’s R-valueAstm rating sleeping pad 95 – $399

5+ (for use in extreme cold); the higher the R-value, the more insulated the pad; R-value tested according to the ASTM F3340 standard; To let the. Therm-a-Rest NeoAir XLite NXT ($210) Category: Air pad Weight: 12. Read on to find the ideal, less-than-$100 sleeping pad for you. 0 out of 5 stars 85 ratings | 18 answered questions . Color. With an ASTM R-Value of 4. Warmth. Gender. The search function is case specific but not case sensitive. 1 oz. In my experience, the popular Therm-a-Rest NeoAir XLite takes between 25-30 breaths to inflate, while my other primary sleeping pad (Sea to Summit Women’s Ultralight Insulated Air) takes 10-12. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like. 8 during testing. Sleeping Pad Comparison Table----- A few weeks ago I was in the market for a new sleeping pad. It. A sleeping pad is meant to insulate you from the ground, and if it’s working properly, your body heat gets trapped in combination with warm bedding. 5 ounces, packs down to 11. I don't think they have astm ratings yet. 5 (rated for 4-seasons) Thickness: 3” Weight: 12. 1. Unit price / per . The lining material is our favorite: a 50-denier polyester pongee. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. It has a relatively low weight and packs down to one of the smallest of all the self-inflating pads we tested. Red only! It is $51. In 2020, sleeping pad manufacturers started using a standardized test, the ASTM test, to rate R-values. Investing into a quality or buying outside is little hard rn, yen is too weak sadly so everythings 40~50% more expensive. Item #186713. One glimpse at the Klymaloft sleeping pad ($150), and you’ll know it’s not. The R-value is 6. This uninsulated air pad weighs just 1 lb. $39. K/W ±10%. A sleeping pad with a higher R-value is always a better insulator. Ultralight Non-Slip Stretch Pillow. As a general guide Therm-a-rest recommend the following: Summer: R1 to R2. Therefore, if we look at the information. REI issued a statement on their info section for this pad that many stuff sack details were printed prior to updating the new ASTM R-values were updated. If you choose a camping mattress without an R-Value rating, check the manufacturer or retailer. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. 0 generally work well for three-season use but should be supplemented with a foam pad for use in the winter, where an R-value of around 5 or above is ideal. R-values are additive, meaning that if you choose to stack a sleeping pad with a rating of 2. 4K+ bought in past month. For more on safe sleep practices, click here . 5,793 global ratings. e. 5 in Must Haves Inflatable Foam air Sleep mat Self Inflating air Mattress for Camping cot pad Tent Floors :. The combination of insulation from a sleeping bag and/or quilt and the sleeping pad’s deep welds provides additional warmth and insulation in cold temperatures. Hi-Tech Memory Foam Sleeping Pad: Elegear self inflating sleeping pad features Hi-Tech memory foam with a density of 26D while other camping pads only have a density of 19D. It cost me a thru hike last year. $229. Winterlight. I found the options quite. 2 R-value without the usually associated weight. Sea to Summit's Ether Light XT does everything you'll want from a sleeping pad. There’s no data to show a correlation to how the two ratings compare. 4cm thick R-Value 2. $27. This gives the user versatility for moderate temps, or for use with a hammock as a simple quilt. Unique, pressure-mapped pattern delivers support and softness. Day one, night one. 5 109 Reviews View the 109 reviews with an average rating of 4. The higher the R-value, the higher the resistance to heat transfer a sleeping pad will have. As the leaders in sleeping pads since 1972, Therm-a-Rest has created this comprehensive guide to help backpackers and campers understand their camping mattre. Degree Ratings: Sleeping Pad Warmth; Sleep System Basics for Building Warmth; Updated. Long Wide: 1 lb. Amazon. The Kelty Cosmic SI Mummy Sleeping Mat is an unusually generous 198 x 60 x 2. 5-inch barrier of warm air between the snoozer and the cold ground with 8. 11 oz. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. Two separate air chambers offer additional protection from the cold ground and allow you to dial in comfort - bottom half firm for support, top half soft. Weighing only 16 oz, the new NeoAir. Keep your tent mates happy with fabric that. Head to a blog for an in-depth explanation. For most people, R rating is by far the most important consideration for your air mattress for camping, even more so than its size, amount of foam, or warranty. Thermarest Prolite Apex – Lightest Self Inflating Sleeping Pad. Head to a blog for an in-depth explanation. If you skimp on your pad's warmth, you should use a warmer sleeping bag and vice versa. Head to a blog for an in-depth explanation. 5cm x 10. 5: 8. The primary heat transfer for this method is one dimensional,. Basically it involves a putting a sensor loaded heated manikin into a sleeping bag. There are three main temperature rating systems, namely en, iso, and astm. Best for. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. Exped MegMat 10 for $180: This is the beefy, ultra-luxury pad that started the trend of huge car camping pads. The regular length I. For sleeping bags, the relevant standards are: Canada: ASTM F1955-15 Standard Test Method for Flammability of Sleeping Bags; USA: CPAI-75:1976A Rate of Burn Standard for Sleeping Bags; These are technically equivalent standards. Recently, we have received some emails claiming that there are issues with the sleeping mats they purchased from other low-price sellers. Membership Pricing: $0. Air mattresses, in particular, have to find a way to insulate while remaining lightweight, and this one uses a patented "Triangular Core Matrix," which creates stability. It includes thermal insulation, to keep your body warm from the cold winter ground. Amazon. Insulated versions utilize multiple layers of suspended Thermal Mirror™ metallized film, resulting in a lighter, remarkably quiet sleeping pad compared to the competition. Because sleeping bags are universally tested with an R-value 4 pad underneath, having a pad with an R-value slightly over 4 helped me pick the right bag for the weather more accurately. Insulated Mummy Regular: 16 oz. 5. Added warmth and a shorter length for three-season backcountry adventures. Head to a blog for an in-depth explanation. Better manufacturers will list the ASTM temperature ratings, which are standardized. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. The Oblivion Sleeping Pad uses 3 inch thick tufted I-beam cushioning to keep your shoulders & hips off the ground - even if you're a side sleeper! It was built specifically with comfort in mind, and it does a great job! It's lightweight, comfortable, & warm with an R-value of 3. 97. Score: 98 of 100. Most sleeping pads we sell range from 1. Even a small piece works great. Regular Wide: 1 lb. I wholeheartedly give it a well-deserved. 4, which makes it best for adventures in warm weather; it provides minimal insulation from ground temperature. For example, if you search “big agnes 4. 2 out of 5 stars 114 1 offer from $33. Sleeping Bag Guide Temperature ratings explained Guarantee. Best lightweight sleeping pads: Sea to Summit Ether Light XT Insulated, Sea to Summit Ultralight Insulated. 5 ounces. Sea to Summit Comfort Plus Insulated Air Sleeping Pad. 5 in Must Haves Inflatable Foam air Sleep mat Self Inflating air Mattress for Camping cot pad Tent Floors at Amazon. Klymit Static V2 – Best Budget Sleeping Pad. Tags 3-season sleeping bag, choosing the right sleeping bag, how to, sleeping bags, Tips, winter sleeping bagThe award-winning Comfort Plus Insulated Pad absolutely lives up to the hype. You'll find comfortable sleeping mats for all types of campers, whether you're just starting. Head to a blog for an in-depth explanation. All Sleeping Bags and Pads. This testing standard was created by industry leaders (including Sea to Summit) wanting to achieve two things: Provide clarity and transparency to consumers. 6 °F (-57 °C). ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. This revised sleeping pad is 1. 3 – Insulated Q-Core Deluxe. ASTM Rating F2413-11 I/75, C/75; electrical hazard protection meets F2412-11, F2413-11, and F2892-11 Taylor Roby Timberland’s PRO line offers boots for serious work, but keeps comfort in mind. Warmth: Your sleeping pad’s ability to insulate you from the cold ground complements the temperature rating of your sleeping bag or quilt. Best Foam Pad: NEMO Switchback. With that said, the purity of this standard also. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. Apply the patch and wait: Give the. Whether you’re using your lungs or an electric pump, it won’t take you long to set up camp. Double Camping Sleeping Pad with Air Pillow Built-in Foot Pump Inflatable Mat for Hiking Traveling Backpacking. This is the temperature rating brands use on women’s bags. it wouldn't let me use the crosspost feature) . Head to a blog for an in-depth explanation. Side Rails: Integrated into the patterning and construction, they provide a secure, comfortable sleep by centering you on the pad and inhibiting air movement while. 2), and is the thickest pad in our guide at 3. The NeoAir XLite NXT reviewed above is only available in a tapered mummy shape. The Women's ProLite Plus is a decent winter camping option, especially when paired with a foam pad for extra insulation. Vote. It uses a dual layer of synthetic fibers to boost its R-value to 4. We stock a great selection of camping and sleeping mats from top brands such as Quechua and Forclaz, and more. Nemo Tensor Insulated Sleeping Pad. Head to a blog for an in-depth explanation. This is a good point. 00. " It is also worth noting that the test also uses a pad but doesn't specify the R-value of the pad. The reason I took off two stars is I think Klymit needs to be clear about their R-value and compatibility of this pad with a top quilt. Side rails make it easier to stay on the pad through the night. However, R-value is now a standardized measurement of the insulative property of a sleeping pad. The Trail Lite is still one of the warmest pads in this review and could be used in spring. It does have more insulation in the torso and foot areas than the men's version, and has an R-value of 4. August 10, 2023 CPSC Warns Consumers to Immediately Stop Using La-La-Me Infant Loungers Due to Suffocation Risk and Fall Hazard; Fails to Meet Safety Requirements for Infant Sleep Products. The Best Wide. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. Jetboil vs MSR: Comparing the Flash and Pocket Rocket 2. R-Value Test Machine at Therm-a-Rest – Photo courtesy of Therm-a-Rest. 0 (good for warm weather) to 5. 9 to sleep in 20F. 7 Best Backpacking Tents Under $100. Head to a blog for an in-depth explanation. 00 - $179. The tester records the firmness rating ILD (25% ILD) after a minute of compression. This is the big daddy of sleeping pads, with a claimed R-value of 8. Outdoor Vitals Ultralight Sleeping pads are available in insulated and non-insulated models to keep you warmer or cooler depending on your adventuring needs. 3 Weight 250g. But recently, I tested the pad in the mid-twenties on snow over frozen ground with a down sleeping bag, and was toasty. Our Verdict. Head to a blog for an in-depth explanation. 5 111 Reviews View the 111 reviews with an average rating of 4. 5) as the mummy version. And for that we thank Exped. 5 inches. R-Values and Temperature ratings. 00 – $210. Long X-Wide: 2 lbs. 7 Best Wood-Burning Backpacking Stoves. 0 and one with a 4. The pad is one of the thickest on the market, you have 5. Best overall: REI Co-Op Trailmade Self-Inflating Sleeping Pad. BUY NEMO Equipment Astro Insulated Lite Sleeping Pad. Spar suggests thinking big picture. Mountain Equipment Helium 3. 00 – $173. Halo. 15°F or lower. The Synmat UL is a very comfortable rectangular shaped pad, it's great for side sleepers because it's so thick. The ASTM rating is only a 1. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. A Great First Backpacking Sleeping Pad: WELLAX Ultralight Air Sleeping Pad. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. 5/R5. Philip Werner March 3, 2023 Sleeping Pad Reviews. Depending how warm you sleep you may need a warmer bag. R value 3. Weight and Packed Size. Shop Now. Each number has a decimal point, and the ratings can sometimes be quite specific, meaning a 4. The following table provides a side-by-side comparison of the ASTM F3340-18 rated sleeping pads available in the US market. 30D stretch fabric exterior provides an extra-soft outer layer. How you choose to combine base. Specifications. There’s a lot more to understand when it comes to the role. Here are a few more tips from our product gurus, Spar and Pat, to help you maximize your sleep system all year long. The 5 Best Backpacking Sleeping Bags of 2023. —William M. Sleeping Pad Comparison Table----- A few weeks ago I was in the market for a new sleeping pad. The quilt-like baffle design prevents edge collapse found on horizontal pads and the bouncy sensation caused by vertically baffled mattresses. Philip Werner June 12, 2023 Sleeping Pad Reviews. Qualified orders eligible for FREE S&H and FREE RETURNS. 0 (with the R5. Lightweight sleeping bags and quilts are perfect for any adventurer hauling their own gear. 1 with just 4 oz of insulation (11. 0 4. The Dowmat maintains a 3. Weight: 1 lb 1 oz (477g) Dimensions: Mummy Shaped 72" x 20" x 2. 97. Typically, with new ASTM r-value standards, the r-value is incredibly informative regarding the overall insulation properties of a sleeping pad. Unisex. Unisex. The Venture 4th Self Inflating Sleeping Pad is constructed to resemble an extra-thick. 5" Warmth Series PVC-Free Self Inflating Sleep Pad. 00 (20% off) Size: Medium. You'll notice that is a number much smaller than the 786 pads contained in the database. Insulated Rectangle Regular:. It is 100% waterproof, making it perfect for any outdoor activities. TravelSheet. 8 oz: R=2. 0 . Standard Test Method for Thermal Resistance of Camping Mattresses Using a Guarded Hot Plate Apparatus F3340-18 ASTM. Our listed R-value is tested and retested, and our final numbers are listed in accordance with the ASTM standard. Available in White, Espresso, and Pebble Gray baby-safe, non-toxic finishes, the Hadley features a spacious drawer for easy storage of nursery essentials, and converts from crib to toddler bed, day bed, and full-size bed to. 5 can’t be beat. 20°F or lower. So much so that we put it in the name! Within each family, our new backpacking mats are distinguished by their R-value. Originally Published October 23, 2018. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. An additional R value of 1 is usually a good hedge for women and other cold sleepers. It is a perfect camp mat for 3 seasons. If it is not then the maker may have estimated/made up the value. With this new testing criteria, the NeoAir's R-value has jumped from 3. Aug 30, 2021 - Learn about the new ASTM standard for sleeping pad testing and what it means for your current and future Therm-a-Rest pad’s R-value. REI Co-op Trailmade Self-Inflating Sleeping Pad. The ASTM R value of this pad is 1. Tradeoff: The R-value drops to 2. The MegaMat remains a great choice and is pretty well. Think of it as the chaise lounge of sleeping pads. We think the most important factor in a comfortable and warm night’s sleep for backpacking mats is R-value: the amount of insulation a mat provides from the ground. Regular: 14. Installation: Installing the Sleep Tracking Mat is a quick, straightforward process. 4. It feels soft and cozy, just like a regular bed sheet. In this case, the structure is your sleeping pad. Layer It: Add 2. Therm-a-Rest, crafting the best down and synthetic sleeping bags for over 40 years. Therm-a-Rest is synonymous with quality. R-Value: 4. In winter, it is best to use a sleeping pad that has an R-value of higher than 5. Rochfort Jr. Color: Gray. Find helpful customer reviews and review ratings for Gear Doctors Ultralight 19oz Camping Sleeping pad ApolloAir - Compact, Warm 5. 500+ bought in past month. Pinterest. ProLite. After researching 34 crib mattresses from 17 brands and analyzing both professional and consumer reviews, we curated our list of the Best Crib Mattresses of 2023. EASY INFLATION: Intuitive valve design allows pad to inflate in seconds. Gender. Thickness: 3 in. 5 Inch Thick,. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. 5 inches wide. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. com: Klymit Insulated Static V Luxe SL Inflatable Sleeping Pad for Camping, Lightweight Hiking and Backpacking Air Bed for Cold Weather, 3. That is a way better value for the money. 3 out of 5 stars 1,750. 2oz). Pack compact nighttime comfort and support when you have a Coleman® Self-Inflating Pad with Pillow. 0 5. Stuff sack included. The Best Self-Inflating Sleeping Pads. The density of foam layers will influence the bed's durability, comfort, motion isolation, and more. So, at this point, we can’t yet tell how Klymit’s ratings compare to other pads. It was rolled out to consumers in 2020 and all of the major sleeping pad vendors rate their pads based on it. 1 to R3. 3 – Insulated AXL Air. Image: Sea to Summit What R-value sleeping mat should I use in spring/autumn? In mild weather conditions, a sleeping pad with an R-value of 2-4 will suit. Best Overall Backpacking Sleeping Pad 1. 5 ounces lighter, half an inch thicker, and has an increased R-value of 7. Duo pads come with some benefits single pads don't have, which, in our. From a Climate Neutral Certified brand. Best for Couples: Exped Ultra 3R Duo. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. I was interested in testing the R-Value of a sleeping pad that I am creating out of balloons (I know, I know…). 1 to 2. A New Outdoor Industry Standard. 5 x 8 inches, and has an ASTM R-value of 2. Though that number is made worse by companies who released new pads instead of updating their existing products. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. What is R-value in ASTM F3340. 4. With the implementation of a new testing standard in the US, the R-value of the TrailLite has decreased from 4. Choose a Sleeping Pad. The Tensor Insulated Sleeping Pad from Nemo Equipment will keep you warm and cosy throughout the night on a plush 7. 3, which makes it best for adventures in warm-weather; it provides minimal insulation from ground temperature " HAHAHAHA I knew this brand was full of %*#( glad I didnt buy any of their stuffs. The estimated R-value is around 1. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. MSRP: $15. 0 rating, you’ll have a total R-value of 6. INSULATED FOAM: R-Value 10+ foam helps keep body warm. The ASTM R value of this pad is 1. Long Wide (LW) provides optimal structure and comfort to Draumr 5. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. Yuzonc Camping Sleeping Pad, Ultralight Camping Mat with Pillow Built-in Foot Pump Inflatable Sleeping Pads Compact for Camping Backpacking Hiking Traveling Tent. 59The REI Camp Bed 3. Sale price $39. 13 oz. R-Value: 5+. Therm-A-Rest Sleeping Pad R-Value Rankings; ASTM Standard – R-Value: Rating Sleeping Pad Insulation . Temperatures may vary one degree Celsius in either direction. $159. They will be able to find the ideal sleeping pad as a. Sleeping Pad Type Size Weight ASTM 3340 R-Value; Therm-a-Rest NeoAir UberLite: Air Pad: 20" x 72" x 2. 7" Extra Thick for Most Comfort】Wilsney Wide sleeping pad measures 77. 6 Does Not Support NEMO's Claim 15°-25°F Pad. For the middling price of $150, this sleeping pad has top tier R-Value (4. the zipper tore and cord in hood broke. 8 (RSI 0. Haven't thought it through at all, but wondering if it would be possible to use that as a pivot point to combine mat ratings and sleeping bag ratings? Use R-value 2 – 3. Learn about types of pads, insulation, R-value and other features. The refined shape boosts efficiency even more, shaving up to 2 oz (57 g) off the previous version, while our down-lined Toe-asis™ foot pocket keeps your feet unquestionably warm. ) 3 inches. Therm-a-Rest rates the NeoAir Topo Luxe with an R-value of 3. First note down the r-value you want (e. Head to a blog for an in-depth explanation. 8 20D Nylon Material: 20D Nylon TPU Thickness: 7cm Inflatable Bag Size: 52. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. Therm-A-Rest NeoAir UberLight $539. Fake!! Product Description: Brand: Light Tour Name: Light Tour Sleeping Pad High R3. Klymalite Synthetic insulation: Lightweight, compressible and durable, advanced synthetic insulation in the chambers slows the transfer of air between the top and bottom halves of the pad. 7 Best & Lightest 3-Person Backpacking Tents of 2023. Updated. 00 Tensor™ Alpine Ultralight Mountaineering Pad $188. . The right pad can make the difference between a peaceful rest night and be sore and exhausted the following day. R-Value 2-3. Honorable Mention: Sea to Summit Ether Light XT Insulated. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. Better than my real bed. Your sleeping bag‘s temperature rating is designed to accommodate its max low with a 4. Price: $50 Weight: 15 oz. Thickest pad in the Static Series line at 3. Head to a blog for an in-depth explanation. 8 R value pad, but at this weight, 4. Browse Coleman's top-rated sleeping bags. 9 up to a whopping 5. I love it! I've been looking at building a sleep system for my job. 5" (180 x 51 x 6. 9 inches. It can also be rolled and placed inside a frameless UL backpack to provide structure, attached to the outside, or used as back panel. Name: Hikenture Ultralight Double Sleeping Pad for Camping, Portable Waterproof Camping Pad with Pump Sack, Inflatable Comfort Camping Mattress 2 Person, Ripstop Sleeping mat for Backpacking (Blue). Sale Ends Today . 1 This test method covers the measurement of the thermal resistance of camping mattresses in conditions of steady-state heat transfer, using a two-plate apparatus. Reviewers Paid: $14. This new sleep system data suggests that it’s worth looking at a more-insulated pad if you want your bag to live up to its temperature rating. The Klymit Insulated Static V Lite is a high-scoring pad that does everything well. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. The Nemo Tensor Insulated sleeping pad has an R-Value of 3. Head to a blog for an in-depth explanation. Many sleeping pad manufacturers send their products to independent testing labs to have their R-values tested, using an industry-standard called ASTM F3340-18 that was rolled out in 2020. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. ASTM F3340-18 is a new testing standard that provides R-value ratings for sleeping pads. 5 – mats containing moderate levels. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. and people are asking why I am spending over $100 on sleeping pad while they can get similar r value on $40-50 pads loll Our award-winning products are designed to help you sleep outside as comfortably as you do in your own bed. 98 $. 5 is great for year-round use. A model that is waterproof is a must when camping by a lake or ocean. 3 oz. The Cosmic Ultra’s 800-fill down is treated with a PFC-free hydrophobic finish, and its 20-denier nylon shell has a PFC-free DWR to ward off moisture, which made for easy cleanup after a tea spill in the Adirondacks. Moreover, the mattress bears a weight of 440lbs, and Airsoft demonstrated no air leakage or damage during 24-hour static pressure tests. While Therm-a-Rest has always used R-value to rate our sleeping pads, this new standardization will allow campers to make “like-for-like” comparisons with our competitors pad. Too heavy for most backpackers. The ASTM R value of this pad is 1. Cons. Warmth (R-value): A pad’s ability to resist heat loss to the ground is measured as R-value—higher R-values are. Features.