Allegro Value Plus Knee Pad The most cost effective knee pad in dirty, dusty environments. Comes with two fully adjustable straps with Velcro closure for a custom fit. The ABS cap is stitched on for greater strength and wonâ€TMt allow particles underneath to cause discomfort. Tough poly fabric exterior protects a high density lightweight foam core, and the long pad provides extra comfort. ÂAllegro Industries