Short, rounded hard cap is best for swiveling and pivoting. • Abrasion-resistant rounded short hard cap. • 840D nylon fabric cover. • 12 mm NBR foam padding cut to hug the knee. • Nickel-plated grommets. • Buckle closure. Short, rounded hard cap is best for swiveling and pivoting. Elbow/Knee Pad Type: Knee; Size Group: One Size Fits Most; Closure Type: Buckle; Material(s): NBR Foam; Nylon.