The Rab Stratosphere 4 Sleeping Mat (695g) is an insulated sleeping mat for spring and summer conditions. With less insulation than the 5.5, it's better suited to milder temperatures yet still has the same warm-when-wet, moisture-resistant, durable characteristics that make it ideal for trekking, climbing, and backpacking.   Details: Stratus™ R insulation traps air and reduces heat loss from convective currents R-Value: 3.8 Thickness: 8cm Lightweight construction and insulation for superb warmth-to-weight ratio and minimal pack size. Oversized outer chambers help keep you centralised on the mat A hybrid rectangular shape allows various comfortable sleeping positions Low profile two-way valve for easy inflation and deflation Pump sack included for rapid and hygienic inflation Roll-away stuff sack with a repair kit included   Technical Specifications: Fabric Main: 75D Recycled Polyester outer fabric with internal TPU Coating and fluorocarbon-free DWR Insulation: Stratus™ R 100% recycled polyester 160gsm insulation Weight: 695g Dimensions: Regular 183x51cm. Large 196x64cm     Rab Stratosphere 4 Sleeping Mat (695g) | Insulated Sleeping Mats | BananaFingers