Materials:
* Main: 30D / 40D nylon with anti-microbial liquid-extruded TPU lamination
* Insulation: Exkin Platinum fabric and Thermolite

Specs:
* Length: 72 in / 184 cm
* Width: 21.5 in / 55 cm
* Height/Depth: 2.5 in / 6.3 cm
* Weight: 1 lb 14 oz / 845 g
* Packed Size: 5 x 9 in / 12 x 23 cm
* R Value: 4
* # of Air Sprung Cells: 548
* Performance: 3.5 Season

Features:
* 4.0 R-Value is warm enough for all but the coldest ground
* Exkin Platinum® insulation reflects radiant heat while Thermolite® insulation prevents convective heat loss. The dual-chamber design means there's no top-to-bottom air movement, which reduces warmth transfer from the upper to the lower side
* Dual-Layer Air Sprung Cells provide more support, insulation and excellent comfort
* Quick and easy inflation, deflation and adjustment is made possible by our multi-function valve and supplied Airstream Pump™/stuff sack
* Tough 30D/40D face fabric and Sea to Summit’s liquid-extruded lamination is quiet, durable and extremely reliable
* Anti-microbial treatment added to the TPU lamination formula prevents internal mold growth
* PillowLock system prevents your Sea to Summit Aeros Pillow from slipping
* Comes with a stuff sack which doubles as a pump, a repair kit with six self-adhesive patches and a spare valve insert