展开The new Ether Light XT Insulated Air Sleeping Mat brings Air Sprung Cell™ comfort to the realm of thicker air sleeping mats. Quiet and lightweight, this sleeping mat uses two types of insulation to provide three-season warmth.Features• Three-season warmth in a quiet package• R-Value of 3.2 is tested according to ASTM F-3340-18• At 4 inches thick, Ether Light XT Air Sprung Cells™ provide a plush sleeping experience• Exkin Platinum® insulation reflects your radiant heat back to you, Thermolite® insulation prevents convective heat loss• Lighter, quieter and durable 30D / 40D face fabric with Sea to Summit’s liquid-extruded lamination is quiet, durable and extremely reliable• Patent-pending multi-function valve and supplied Airstream Pump™/stuff sack mean quick and easy inflation, deflation and adjustment• Sea to Summit's unique PillowLock™ system prevents your Aeros™ Pillow from slipping.Specifications• Length : 168 cm / 5ft 6'• Dimensions:66 in x 21.5 in / 168 x 55 cm• Packed Size: 3.5 x 7.5 in / 9 x 19 cm• Thickness: 4 in / 10 cm• Weight: 12.3 oz / 370 g.