ASICS Men's GEL-Volleycross 2 Volleyball Shoe 100% Synthetic and mesh Rubber sole Rearfoot and Forefoot Gel Cushioning Systems attenuate shock during impact phase and toe-off phases and allows movement in multiple planes as the foot transitions through the gait cycle Asymmetrical lacing design is an anatomically correct environment that reduces potential for irritation and provides improved comfort and fit Personal Heel Fit has two layers of memory foam that line the collar and mold to the athlete's heel, creating a personalized fit Solyte Midsole Material features enhanced cushioning and durability NC Rubber outsole contains more natural rubber than traditional solid rubber, resulting in enhanced traction on court systems'