The Sea to Summit Ether Light XT Extreme is extra thick and exceptionally warm. The XT Air Sprung Cells provide four inches of stability and comfort, while dual-density layers of THERMOLITE® insulation prevent convective heat loss and internal air movement. This results in true four-season performance.
- 6.2 R-Value is perfect for cold weather adventures.
- At four inches thick, Ether Light XT Air Sprung Cells provides a plush sleeping experience.
- Dual-density layers of Thermolite® insulation fill the inner space, preventing heat loss due to convection and internal air movement.
- Lighter, quieter and durable 30D/40D face fabric with Sea to Summit’s liquid-extruded lamination is extremely reliable.
- Quick and easy inflation, deflation and adjustment is made possible by our multi-function valve and supplied Airstream Pump/stuff sack.
- 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.
- Regular: 55 x 183 cm / 21.5 x 72 in
- Large: 64 x 198 cm / 25 x 78 in
- Regular: 720g
- Large: 950g
Base Camp Food are an official UK Retailer for Sea to Summit.