Blaklader Foam Knee Pads 4011Blaklader Foam Knee Pads 4011 Foam kneepads can put a stop to some of the biggest knee problems. The form fitting foam is weightless when walking but gives protective cushion when you need it. Years of working without kneepads will sideline even the toughest tradesmen. Functional, weightless kneepads can add years to your working life. Features: Polyeten Standard foam knee protection Sizes: One Size. Sold per Pair.