Durable and Shock AbsorbentSynthetic Leather and Ventilated Mesh Upper. Omni-Fit™ Lacing System for easy on and off. Hydro Drainage and Ventilated footbed, will maximize support comfort. The Lycra®/Neoprene padded tongue and collar will provide increased security and comfort. Anti-Friction Lining is treated with Aegis™ Antimicrobial Technology, for improved climate control. Water friendly non-marking/razor-cut sipped sole, is durable and shock absorbent. Vegan Friendly Footwear.