The Therm-a-Rest ProLite Apex Sleeping Pad is the pinnacle of lightweight carry, self-inflating comfort and unrivaled warmth. The StrataCore construction uses thermal foam nestled between alternating ridges of air and foam to create packable performance and legendary Therm-a-Rest support. The 2 inch thick self-inflating StrataCore foam provides the best warmth-to-weight ratio of any self-inflating foam construction out there. You'll stave off the cold during 3-season pursuits, thanks to its 3.8 R-value rating. And high-performance WingLock valve offers 3Xs the airflow rate of the classic valve design for quicker inflation. Includes stuff sack for compact carry. The warmest ProLite that won't weigh you down StrataCore construction offers best warmth-to-weight ratio Self-inflating foam core with 2 inch of StrataCore loft 3.8 R-value for 3-season use 50D polyester shell WingLock valve for easier inflation and quicker deflation Compresses smaller than a paper towel roll for easy carry Multiple sizes: Pick a length that best suits your adventures Stuff sack includedRegular Wide: Dimensions: 25 inchw. x 72 inchl. x 2 inchd. Packed Dimensions: 13 inchl. x 7 inch diameter Weight: 1 lb. 12 oz.Large: Dimensions: 25 inchw. x 77 inchl. x 2 inchd. Packed Dimensions: 13 inchl. x 7 inch diameter Weight: 1 lb. 14 oz. Order today!