Blaklader Workwear Heavy Duty Kneepads - 1-set of 2 - One Size - Gel Cushion - Black,Blaklader,40129900onesize" /> Acrylonitrile Butadiene Rubber/Polyvinyl Chloride Paste Resin/Calcium Carbonate Light/Talcum Power/Foaming Agent Imported For use with Blaklader pants. No straps that bind. Lightweight and comfortable. Made of memory gel. Durable, shock absorbing.