The gender-specific arched sockliner of ASICS GEL-Court Bella tennis shoes gives women a sock-like fit and feel that makes for a secured and supported wear. Smooth cushion around the heel collar makes every forward and side-to-side movement much more comfortable. You'll benefit from excellent stability and cushion wearing these shoes.Upper: PGuard® Protector is designed to enhance durability. P.H.F.™ (Personal Heel Fit) provides 2 layers of memory foam to line that collar and mold to the heel, creating a personalized fit. Lace-up front offers an adjustable fit.Midsole: Molded Ortholite® Sockliner. Forefoot GEL® Cushioning System enhance shock attenuation during propulsion. SpEVA® Midsole Material improves bounce back characteristics and decreases midsole breakdown.Outsole: Non-marking rubber outsole. Trusstic System® reduces the weight of the sole unit while retaining the structural integrity of the shoe.