Ushering in a new era of high performance trail shoes. TR1 Mesh 2.0(TM) is exceptionally breathable, ultra-lightweight and naturally shaped. Its combination of innovative, supercritical foam with exceptional grip and turbo ventilation is designed to flow over wet and dry trails. Intended Use : Hiking / Thru Hiking / Backpacking / Trail RunningUppers : Quick dry 100% recycled (rPET) 3D Mesh upper with TPU overlays // EVA heel cup // Removable EVA sockliner // Water resistant lacesMidsole : 12mm Astralite(TM) nitrogen-infused 'Supercritical&'; TPE foamOutsole : Trail Grip(TM) outsole made with non-marking, G.15 Rubber(TM)Foot to Ground Distance: 20 mmWeight / shoe : 304 g / 10.7 oz (M&';s 9/W&';s 10 US)Sizes : M&';s US 5 - 14 // W&';s US 6 - 15Shape : Original Shape(TM) // Secure midfoot and heel with a wider toe box. Great for those looking for a combination of security and stability, and / or curious about natural shaped shoes.Fit : True to size.