361&deg; Men's Spire Running Shoe Nylon Imported UPPER - Breathable air mesh with strategically positioned welds provide a comfortable secure fit and fee INSOLE - Molded blend of QUIKFOAM for additional comfort and support MIDSOLE - Coated QUIKFOAM and Rebound EVA are interlinked to maximize softness and maintain response OUTSOLE - Ergonomically designed platform featuring enhanced forefoot cushioning with durable lightweight traction and flexibility WEIGHT - 10.4 oz each, DROP - 11mm