From alpinists to thru-hikers, those who need the lightest gear have a new standard for ultralight comfort with the Therm-a-Rest NeoAir Uberlite Sleeping Mat. As the absolute lightest insulated air mattress available, the UberLite keeps your pack featherweight on the trail. Therm-a-Rest's proprietary construction provides the critical warmth needed in the backcountry. Boasting 2.5 inches of their legendary NeoAir comfort, the minimal UberLite makes a big impact during nights in the backcountry. To endure the rigors of the backcountry, Therm-a-Rest's unique fabrics and construction meet their strict durability standards. Stuff sack and repair kit included. Features and Specifications Featherweight: Weighing just north of a half-pound, the UberLite sets a new standard for ultralight comfort. Minimal Pack Size: Shrinks down smaller than any NeoAir® ever. Big on Comfort: 2.5 inches (6.4 cm) of stable cushion provide luxurious rest during your fast and light activities. Reliable NeoAir® Construction: Built using Therm-a-Rest's trusted Triangular Core Matrix™ to maximize your rest during long, backcountry objectives. WingLock™ Valve: Intuitive and dependable valve maximizes air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath. Pump sack, stuff sack and repair kit included R-Value: 2.3 Weight (Large): 340 grams Width (Large): 64 cm Length (Large): 196 cm Thickness: 6.4 cm Packed Dimensions (Large): 19cm x 10cm Top Fabric Type: 15 denier Nylon Bottom Fabric Type:  15 denier Nylon Colour: Orion Material: Nylon, Polyurethane Country of Origin: USA Therm-a-Rest NeoAir Uberlite Ultralight Sleeping Mat - Large