The all new forefoot outsole design of adidas adiZero Adios Boost 3 running shoes provides better cushioning and much smoother toe-off. An Omori micro-fit provides optimal fit and feel during your run. Ideal for athletes at varying speeds, ready to break their personal records. Upper: Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit. Synthetic overlays offer lightweight support. Mesh provides ventilation and flexibility.Midsole: Coolever mesh lining allows for superior moisture and heat exchange between the foot and the outside air. Full-foot boost™ midsole provides unmatched energy return and superior cushioning. Full-length TORSION™ SYSTEM designed for maximum propulsion off the toe when moving at quicker rates. Outsole: Continental Rubber outsole delivers 21% more traction in dry conditions and 23% more traction in wet conditions. ADIWEAR™ heel outsole provides superior grip and durability while maintaining light weight.