Thermarest Neo Air Venture WV Mat Description: Soft & lightweight substrates with minimal packing volume. More than twice as hot as an air mattress. Patented Wave Core construction locks the air & makes Venture suitable for uteligging spring, summer & fall. You are stable & comfortable & optimally for a good night's sleep. Heavy outer tent ensures longevity. Isolation cells are not filled with either down or fiber & edge not rotten or moldy. Blow up Venture mouth, Pump Sack or Air Loss Pump. Specifications: Small Medium Regular Large Dimension 51 x 119 cm / (20 x 47 in.) 51 x 168 cm / (20 x 66 in.) 51 x 183 cm / (20 x 72 in.) 63 x 196 cm / (25 x 77 in.) Weight 450 g (16 oz.) 590 g (1 lb. 5 oz.) 620 g (1 lb. 6 oz.) 860 g (1 lb. 14 oz.) Fabric Information 75d Polyester / 75d Polyester 75d Polyester / 75d Polyester 75d Polyester / 75d Polyester 75d Polyester / 75d Polyester Thickness 5 cm / (2 in.) 5 cm / (2 in.) 5 cm / (2 in.) 5 cm / (2 in.) Compressed Dimension 23 x 10 cm / (9 x 4 in.) 23 x 11 cm / (9 x 4.5 in.) 23 x 11.5 cm / (9 x 4.6 in.) 28 x 12 cm / (11 x 4.7 in.) R-Value Equals Relative Warmth 1.8 1.8 1.8 1.8