These knee pads provide heavy-duty protection against injuries often sustained in rigorous working conditions as a result of constant kneeling. These lightweight pads have hard caps made of abrasion resistant plastic, forming an ergonomic bubble of protection. The soft foam padding and adjustable straps ensure hours of comfortable, productive work. Hook and loop closures keep pad in place; also available are instant on/off buckle closures, which allow for no hook and loop that snag on carpet. One size fits all.