ASICS GEL-Solution Speed 3 tennis shoes give aggressive, agile players a moderately supportive and quick ride. The same low-profile you’ve come to enjoy sees an update with lateral Propulsion Trusstic® technology that allows for more response and control during intense play. New colors will bring your whole look together.Upper: PGuard® Toe Protector is designed to enhance durability. P.H.F.™ (Personal Heel Fit) provides 2 layers of memory foam to line the collar and mold to the heel, creating a personalized fit. Flexion Fit® upper provides form-fitting comfort without sacrificing support. Lace-up front offers an adjustable fit. Midsole: Rearfoot and Forefoot GEL® Cushioning Systems attenuate shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Solyte® Midsole Material is a lighter weight midsole compound than ASICS’ standard EVA and SpEVA® and features enhanced cushioning and durability. Lateral Propulsion Trusstic® mimics connective tissue in the foot by creating tension as the foot enters propulsion stage.Outsole: AHAR® High Abrasion Rubber placed in key areas of the outsole provides exceptional durability.