The Treksta Warwick 4 inch outdoor boot is made from the most premium and robust leather, with a unique nest fit construction for the best fitting and arch support boot on the market. Gore-Tex Waterproof leather boot, with breathable membrane lining. Nestfit for a wider and more comfortable fit and roomy toe box. Premium integrated lace and locking system with durable access. Ice Lock slip protection giving greater control on slippery surfaces. IST Stability, and suspension technology for various surfaces.