The ultimate in luxury for base campers, the Comfort Deluxe Self-Inflating Sleeping Mat features four inches of plush foam and a 30D stretch knit fabric on the upper surface for a luxurious warm feeling when it&&';;s cool, and a cool feeling when it&&';;s hot. The flip-over multi-function valve makes packing up the pad relatively easy because it prevents air from being drawn back in as it&';s rolled up. Be aware - if you pull out a Comfort Deluxe for house guests, they may end up staying longer than originally planned! 6.5 R-Value is perfect for cold weather adventures. Four inch thick foam and knitted polyester upper face fabric offers an amazingly comfortable night&&';;s sleep. Delta Coring removes over 40% of the foam to reduce weight and bulk without compromising durability. Flip-over multi-function valve for fast and easy inflation, deflation and fine-tuning of air pressure. PillowLock system prevents your Sea to Summit Aeros Pillow from slipping. BEST USE Camping, Winter Camping, when Uncle Phil visits COMES WITH Stuff Sack FABRIC 30D polyester knitted upper, 75D polyester base FOAM Delta Core technology R-VALUE 6.5 SEASON RATING 4 Season SPECIAL Multi-function valve that prevents re-inflation as you pack up THICKNESS 4 in / 10 cm