The Ether Light XT Extreme is extra thick and exceptionally warm. The XT Air Sprung Cells provide 4" of stability and comfort, while dual-density layers of THERMOLITE® insulation prevent convective heat loss and internal air movement. The result: true four-season performance.

Technical features

Features

• Designed for cold-weather use—thicker insulation in the women’s model provides an ASTM R-value of 6.2
• Dual-density layers of THERMOLITE insulation
• Extra thick (XT) Air Sprung Cell construction for 10cm stable comfort
• Lightweight, quiet and grippy 30/40D Nylon face fabric
• Field repairable with included self-adhesive patches
• Ultra-Fresh anti-microbial treatment added to the TPU formula prevents internal mould growth
• Pillow Lock attaches an Aeros pillow to mat
• Quick and easy inflation, deflation and adjustment with the multi-function, high flow-rate valve and supplied Airstream Pump Sack