GORE-TEX gaiters have won awards for being waterproof and breathable, and are as durable as nails. They are also approved by bluesign, with a 3L GORE-TEX upper leg panel and 2L Cordura foot panel. The gaiters are made with 100% Nylon and have a 420D Packcloth lining with PU coating. They are also windproof, abrasion-resistant, and breathable. The instep strap is made with durable BioThane, and the inner leg and boot are lined with abrasion-resistant Cordura. The lower boot is lined with packcloth, and the gaiters have a double-stitched front closure, reinforced boot lace hooks, and hook and loop front closure. They also feature a buckle top hem closure.