The GEL-Resolution 5 is the newest edition to the ASICS stability tennis line—complete with superb medial stability and torsional rigidity that this series is known for! ; Proprietary Flexion Fit upper provides form-fitting comfort without sacrificing support. Combination synthetic and mesh uppers. Padded collar and tongue offers a snug, comfy fit. Gender-specific cushioning gently cradles the woman's foot. Impact Guidance System (I.G.S.) - ASICS design philosophy that employs linked componentry to enhance the foot's natural gait from heel strike to toe-off. Central lacing system for optimum fit. Redesigned PGuard Toe Protector for enhanced toe durability. Solyte midsole material—a lighter weight midsole compound than ASICS standard EVA and SpEVA —delivers enhanced cushioning and durability. Dual-density DuoMax Support System positioned to enhance support and stability, positioned sport specifically. Rearfoot and Forefoot GEL Cushioning Systems attenuates shock during impact and toe-off phases and allows movement in multiple planes as the foot transitions through the gait cycle. P.H.F. (Personal Heel Fit) - Two layers of memory foam line the collar and mold to the athlete's heel—creating a personalized fit. Hidden Trusstic System reduces the weight of the sole unit while retaining the structural integrity of the shoe. AHAR (ASICS High Abrasion Rubber) placed in critical areas of the outsole for exceptional durability. Non-marking rubber outsole for grip. Imported. APMA Seal of Acceptance. Measurements: ; Weight: 13 oz ; Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size.