VOLVEN ULTRALIGHT BLUE SELF-INSPIRED MAT The Volven Ultralight mat is perfect for expeditions, allowing for a comfortable night's sleep that will rejuvenate you. This Volven mat is made of durable, highly damage-resistant polyester material and lightweight, perforated foam. Thanks to its high insulation index, it can be used successfully throughout most of the year, excluding the winter months. The mat's solid insulation of R-Value 2.9 confirms that it will perform well from early spring to late autumn. The mat's insulation has been tested according to the latest ASTM F3340-18 standard, allowing it to be compared to mats from other manufacturers. The Volven Ultralight mat is also equipped with a patented valve that minimizes the risk of air leakage. The mat's small packed size and ease of transport are other advantages. The mat has a carefully designed shape, comfortably accommodating one person. The Volven Ultralight mat is simply a well-designed and made mat at an affordable price!. FEATURES made of lightweight foam with vertical and horizontal holes; high resistance to damage and abrasion; cover and repair kit included; Velcro strap to fasten the mat after folding; special valve minimizing the risk of air escaping; insulates very well from the cold ground; insulation R-Value: 2.9 according to the ASTM F3340-18 standard; TECHNOLOGIES Material top: Honeycomb Polyester 75D bottom: Polyester 75D; Dimensions unfolded: 183 x 51 x 3.8 cm after folding: 29 x 14 cm; thermal insulation (k) 2.9 R; Weight 745 g; Color Blue; & xa0.