Exclusive, all-American design crafted from ECCO Performance Leather with premium textiles as accents on the collar Waterproof membrane keeps your foot dry and comfortable in wet conditions BIOM NATURAL MOTION technology brings you closer to the ground using an anatomical last Award-winning E-DTS traction system consists of approximately 100 TPU traction bars boasting 800 traction angles ECCO FLUIDFORM Technology creates a lightweight, ergonomically advanced sole offering cutting-edge comfort and flexibility