Waterproof membrane - Seals out water and allows moisture to escape Premium Italian suede leather upper Vibram ‘Light-Trek' nonslip rubber outsole Internal waterproof ‘bootie' construction. Triple-Density midsole absorbs walking impact to allow all-day comfort on longer walks. Removable anatomic insole. Padded one piece thermoformed collar created from new ‘neo-trek' soft-touch fabric. 100% Waterproof laces. Dynamic Arch Support for foot protection & heel locking. Protective anti-scuff heel cove