FEATURES of the Adidas Men's Terrex Fast R Shoe Midsole: Full forefoot adiprene for forefoot propulsion and efficiency Inlay: Molded Ortholite sock liner Midsole: Outdoor specific Formation unit for enhanced motion control and downhill comfort Outsole: Traxion-featuring Continental rubber for extraordinary grip SPECIFICATIONS of the Adidas Men's Terrex Fast R Shoe Weight: 13 oz / 375 gram Textile/Synthetic