Ergodyne’s ProFlex 550 knee pad has a low-profile spandex sleeve with breathable mesh paneling to fit comfortably under work pants for flexible, bulk-free knee protection. It is made of impact-absorbing PU foam.

Carhartt’s 103193 knee pads insert in users’ double­-front work pants, and the pads can go through at least 50 home wash and dry cycles without wearing out. They are compatible with men’s and select women’s double-front pants and bibs. 

Uline’s S-11885 deluxe knee pads feature a soft, form-fitting shell for all-day use. The nonskid construction won’t scuff or scratch floors and has hook and loop neoprene straps. It is made of polyester, jersey and neoprene fabric with gel-injected EVA foam padding.

Hultafors’ airflow knee pads feature layers of gel, high-density closed-cell foam and neoprene for added comfort. The airflow side panel design helps ventilate the kneepads and reduce heat build-up. There is an upper elastic strap with slip-in clip buckle fastener system for fit. It features an adjustable neoprene strap for stability.

Hultafors’ all-terrain knee pad has layered gel, high-density closed-cell foam and neoprene padding for all-day comfort. The accordion-style cover keeps the knee pad in place without restricting movement. It has a full-size, all-terrain cap design. There is a slot-and-dot button fastener system with flexible rubber straps for adjustments.

 48-71-6051 stabilizer performance knee pads feature a large flat cap for stability while working in a stationary location. The layered gel absorbs pressure and supports the knee. They are built with a hinged thigh strap for mobility. There are durable metal rivets, open cell foam and two secure adjustable buckles.