Design and Performance Casual upper fashioned from breathable and premium ECCO leather with perforations on the side piece ECCO-Tex waterproof membrane keeps your foot dry and comfortable in wet conditions Removable Ortho-lite insole for long-term cushioning and breathability, with the option to remove for extra width Outsole offers the EDTS traction system with approximately 100 TPU traction bars and 800 traction angles for tremendous traction and stability Midsole made with ECCO Fluidform Direct Comfort Technology for cushioning, rebound, and flexibility