361&deg; Men's Strata Running Shoe Nylon Imported UPPER - Highly breathable engineered mesh and dual thickness TPU film for superior fit, feel and flexibility INSOLE - Molded blend of QU!KFOAM for additional comfort and support MIDSOLE - QU!KFOAM is interlinked in the midsole to provide cushioned guidance from contact phase all the way through the gait cycle. A softer 2nd QU!KFOAM unit is placed in the crash pad area initiating a more natural first contact. Medial harder CMEVA posting and a TPU Arch Bridge provide additional stability OUTSOLE - Blown Rubber forefoot provides lightweight cushioning. Carbon Rubber adds durability in high abrasion areas. Biomechanically designed and anatomical placed flex grooves promote natural foot flexion WEIGHT - 11.7 oz each, DROP - 8mm