DEWALT DG5254 Heavy-duty Large Cap Kneepads Ballistic poly material provides strength and durability Full-size, heavy-duty cap formed for added stability and wear Thick, dual-layer foam padding surrounds knee for extra comfort Neoprene fabric liner helps keep knees comfortable throughout the day Slip-buckle fastener system with adjustable straps; Large, adjustable neoprene strap for comfort and stability