Retractable cleat combine an anti-slip outsole,100 % Premium Leather and a 100 % Waterproof membrane. 200 gr Thinsulate insulation with a Waterproof Zipper. Lining: 50% Merino wool / 50% Polyester Removable polyurethane insole Removable Aluminium/Felt layer Natural rubber outsole Rust-resistant stainless steel cleat