Updated with the new WingLock™ Valve Technology from Therm-a-Rest the Neoair Uberlite is the absolute lightest insulated air mattress on the market that keeps your pack featherweight on the trail for alpine ascents or multi-day treks. The advanced reliable NeoAir construction including Triangular Core Matrix™ technology provides the critical warmth needed in the backcountry adventures. Featuring over 6cm of Therm-a-Rest’s legendary NeoAir comfort, the minimal UberLite Sleeping Mattress makes a big impact during nights in the backcountry. To endure the rigors of the backcountry the unique fabrics and construction meet Therm-a-Rest’s strict durability standards along with the stuff sack and repair kit that are included. Therm-A-Rest Neoair Uberlite (Large) Features: 15D Rip-Stop Nylon Top Fabric 15D Nylon Bottom Fabric Reliable NeoAir Triangular Core Matrix™ Construction New WingLock™ Valve Technology Thickness 6.4cm Dimensions 196cm x 64cm Packed Dimensions 19cm x 10cm Weight Approx 340g R-Value Rating 2.3 Stuff Sack and Repair Kit Included