Design: Water-resistant ultra-soft full-grain calfskin Anti-stretch fabric lining Nonslip PU back lining, insole with flexion points in the forefoot area Laces and reversible tongue with elastic Laces In-Shoe Comfort: Anatomical, removable insole Durability & Traction: Differentiated density polyurethane firm ground outsole with 12 fixed studs Ideal for natural grass, firm ground