Therm-a-Rest NeoAir Xtherm Air Mattress - Large Everyday Carry Large volume top pocket with

Large volume top pocket with key clip

Information on the present sea level pressure helps you read and understand the barometric pressure at high altitudes

similar to the H51)

6mm (Length) x 9

Therm-a-Rest NeoAir Xtherm Air Mattress - Large Everyday Carry Large volume top pocket withThe XTherm mattress is the warmest mattress in the NeoAir collection, allowing you to go lighter than ever in winter conditions. Patent pending Reflective Barriers give the XTherm mattress true 4 season warmth without the weight or bulk usually found in a winter worthy mattress. The result is a mattress that weighs less than a pound, takes up less pack space than your water bottle, and provides serious comfort in extremely cold conditions. Pump sack