Sea to Summit Ether Light XR Insulated Air Sleeping Mat

Ether Light XR is the thickest and warmest sleeping mat in the Ultra Light range, due to using new insulation, Thermal Core®. The Air Sprung Cells still provide four inches of stability and comfort, while Thermal Core® insulation prevents convective heat loss and internal air movement. This results in true four-season performance perfect for backpacking, light weight camping, bikepacking and sea kayaking. Best Use: Light Weight Cold Weather Backpacking Comes With: Stuff sack w/ integrated pump, repair kit & Pillow Lock Fabric: Durable 30D/40D nylon R-Value: 4.1 Season Rating: 4 Season Special: Anti-microbial liquid-extruded TPU lamination to reduce delamination Thickness: 4 in / 10 cm Small: 168 x 55cm Packed Size 20.5 x 11cm Packed Weight 500g Regular Rec: 183 x 55cm Packed Size 20.5 x 11cm Packed Weight 525g Reg Wide: 183 x 64cm Packed Size 24 x 12cm Packed Weight 665g Large: 198 x 64cm Packed Size 24 x 11.5cm Packed Weight 665g Rec. Large: 198 x 64cm Packed Size 23.5 x 12cm Packed W