Long-lasting wear due to durable and yet lightweight construction. Comfortable and convenient classic lace-up fasteners. Waterproof GORE-TEX® lining for interior climate control. Durable sole with good cushioning during periods of hiking. ECCO BIOM technology provides hard-wearing outsole with reliable performance on tough terrain. When in nature, move naturally. BIOM® NATURAL MOTION® technology. Require no break-in period, the exceptionally comfortable fit of BIOM is achieved through 3 primary features. Anatomical footbeds that match the nuances and curves of the barefoot. Second-skin fit, the result of extremely soft supple materials, most notably yak leather, crafted in our ECCO tanneries. Lightweight flexibility that frees you to move with barefoot ease and efficiency.