5mm neoprene lining keep your feet warm and comfortable Additional Achilles reinforcement for added protection. Wide cut heel base for stability. Diamond textured toe and heel reinforcement resists scuffs and scratches. Full top to toe neoprene and natural rubber. Aggressive athletic traction soles for better purchase in slippery environments. Anti-slip sport outsole EVA Mid sole. Durable, Shock absorbent, Oil resistent and lightweight.