ASICS GEL-Domain 3 indoor, squash, racquetball shoes are incredibly durable and supportive; built to handle your most aggressive play. All indoor court players will love the feel of the Personal Heel Fit that molds to your heel for a custom fit. This energetic combination of colors creates a style that your opponents will envy.Upper: RhynoSkin® is an abrasion and tear-resistant synthetic leather for increased upper durability. Lace-up front provides an adjustable fit. PGuard® Toe Protector is designed to enhance durability.Midsole: Rearfoot and Forefoot GEL® Cushioning Systems attenuate shock during impact and toe-off phases, and allow movement on multiple planes as the foot transitions through the gait cycle. P.H.F.® (Personal Heel Fit) provides 2 layers of memory foam in the collar that molds to the athlete's heel, creating a personalized fit. SpEVA® midsole material improves bounce back characteristics and decreases midsole breakdown. Removable insole.Outsole: NC Rubber® Outsole compound contains more natural rubber content than traditional solid rubber, resulting in enhanced traction on court systems. Non-marking outsole.