View the size chart br br The competition won't be able to keep up with the lightning fast Gel-Solution Speed from ASICS®! br Lightweight upper is constructed from a breathable mesh and supportive synthetic leather. br Proprietary Flexion Fit™ upper provides form-fitting comfort without sacrificing support. br PGuard™ toe protector for enhanced toe durability. br Breathable textile-mesh lining helps keep your foot feeling dry. br P.H.F.® (Personal Heel Fit) is made up of two layers of memory foam lining the collar and mold to the athlete's heel, creating a personalized fit. br Rearfoot and Forefoot GEL® cushioning system better absorbs impacting shock and allows movement in multiple planes as the foot progresses through the gait cycle. br Solyte® midsole is lighter than ASICS' standard EVA and SpEVA®. It offers enhanced cushioning and long-lasting wear. br AHAR® high abrasion rubber place is placed in critical areas of the outsole to provide excellent durability in high-wear areas. br Trusstic System® keeps the shoe lightweight for better mobility. br Measurements: br Weight: 14 oz br Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size. br br br For more visit at www.fsession.