Built for speed, the Asics GEL-Hyper Tri 2 helps racers tackle the road and achieve their best times yet. Runners will enjoy an effortless feel from this streamlined racing flat. Lively colors and patterns make these a fun choice for race day. Upper: Seamless upper combines engineered mesh and no-sew overlaysthat stretch, hug and move with the foot. Padded tongue and heel collar enhance comfort. Discreet eyelets and lace-up front offers a personalized fit.Midsole: ComforDry™ sockliner provides cushioning performance and plush luxury with antimicrobial properties for a cooler, drier and healthier environment. Rearfoot GEL® Cushioning System attenuates shock during impact and toe-off phases, and allow movement in multiple planes as the foot transitions through the gait cycle. Removable insole. Outsole: AHAR® ASICS High Abrasion Rubber placed in critical areas provides exceptional durability. Magic Sole™ provides a breathable insole that helps keep moisture under control. DuraSponge® outsole component that offers cushioning and forefoot stability.