Thermarest New ProLite Apex Sleeping MatBoasting an unrivaled warmth-to-weight ratio, the Apex is the pinnacle of light and stable self-inflating comfort.For lightweight self-inflating support, the ProLite Apex brings packable performance and legendary Therm-a-Rest support. The self-inflating foam measures 2 inches (5 cm) and features our StrataCore construction, a design that provides the best warmth to weight ratio of any self-inflating foam construction. The ProLite Apex 3.8 R-value allows adventurers to stave off the cold during three-season. The packable self-inflating pad features the high-performance WingLock valve, allowing the pad to inflate three times faster thanks to a larger opening and one-way inflation. Like all Therm-a-Rest pads, the Trail Pro is made in market to ensure quality and minimize environmental impact. The pad includes a compact stuff sack.Features: *StrataCore Construction: Yielding the best warmth-to-weight ratio of any self-inflating mattress, StrataCore uses a continuous layer of thermal foam nestled between alternating ridges of air and foam. *Lightweight Comfort: Our warmest ProLite ever allows three-season adventuring without weighing down a pack. *Rugged, Self-inflating Foam: Expanding foam core self-inflates; top off with just a few breaths for personalized firmness on 2 inches (5 cm) of StrataCore loft. *Easily Fits In Your Pack: Packs down small to easily find a place in your pack during fast and light adventures. *WingLock Valve: Our intuitive and dependable valve maximizes air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath. *Multiple Sizes: Offering a range of sizes, including a spacious regular wide, allows you to pick a length that best suits your adventure needs. *Stuff sack includedSpecs: Regular Regular Wide LargeR-Value 3.8 3.8 3.8Weight (Standard) 1 lbs 6 oz 1 lbs 12 oz 1 lbs 14 ozWeight (Metric) 0.62 kg 0.79 kg 0.85 kgWidth (Standard) 20 in 25 in 25 inWidth (Metric) 51 cm 64 cm 64 cmLength (Standard) 72 in 72 in 77 inLength (Metric) 183 cm 183 cm 196 cmThickness (Standard) 2 in 2 in 2 inThickness (Metric) 5 cm 5 cm 5 cmPacked dimension (Metric) 28 cm x 12 cm 33 cm x 13 cm 33 cm x 13 cmPacked dimension (Standard) 11 in x 4.8 in 13 in x 5.1 in 13 in x 5.1 inTop fabric type 50D polyester 50D polyester 50D polyesterBottom fabric type 50d Polyester 50d Polyester 50d PolyesterFoam type Urethane Foam Urethane Foam Urethane Foam