Product Specs: Arm your wading boots with the debris-stymieing abilities of the best-fitting Gravel Guards ever built, bar none. Features include a nonslip, contoured design that forms a surefire seal, a loop wrap with VELCRO® Brand fasteners closure, and textured nylon jersey on the underside of the Gravel Guard for enhanced durability. New & improved fit that contours better with the shape of your boots Abrasion resistant textured nylon jersey on the underside of the Gravel Guard will increase durability of the guard Calf length Easy on-off One size fits most