Klymit Inertia X Frame Air Mattress. This mat is ideal for trekking and climbing, prioritizing light weight and pack size. Its unique body mapping technology provides accurate support with minimal surface area. The boldly cut-out design preserves the loft (fluffiness) of your sleeping pad bag, enhancing insulation efficiency. Size: [When in use] Approximately 58cm wide x 183cm long x 4cm thick [When stored] Approximately 8cm diameter x 15cm high Weight: Approximately 272g Type...Air Mat Thickness...3-4cm