Eco materials come from recycled raw materials including a recycled knit upper and laces, and an EVA midsole with 7% recycled content,Innovative and patented resole platform is designed for quick and easy resoling by replacing the tread and compressed EVA ESS platform,C2 ComboCord: an elastic cord that allows you to pair and store shoes compactly in your backpack or attach them to your harness,Vibram Idogrip outsole offers optimal grip on wet or dry surfaces,WEIGHT: 10.2oz (290g), UPPER: Recycled knit upper with differentiated zones/Integrated tongue/PU TechLite toe & heel/Mythos Lacing System with recycled laces, LINING: Non-Slip Mesh, MIDSOLE: Traverse lite injection MEMlex with co-molded TPU shank/ESS Resoling Platform/C2 Combo Cord