CTO Rambler Gaiters 420D HDTEX ripstop polyester uppers, 1000D HDTEX polyester bottoms with very durable waterproof PU coating on all fabrics Ergonomic design and shock cord top with cord-lock for a snug seal 2 Inch wide Velcro closure at front allows for easy custom fitting Heavy-duty instep strap with nylon buckle, easy-grab tabs and front bootlace hook Fits shoe size 9 to 11