The Carhartt knee pads #103193 are designed to go into their double-front work pants. The knee pads use XRD technology. It is a durable, breathable material
Bet you've never seen knee pads like this before - Carhartt.com Email Archive
Carhartt builds resale offering
How to Insert Carhartt Knee Pads into Work Pants
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Carhartt Men's Rugged Flex Knee Pads - 103193320-S
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Style 102987, No break-in time necessary. These men's lightweight bibs are ready for the toughest jobs, with stretch canvas that feels comfortable
Carhartt Rugged Flex Bib -102987
Carhartt Men's Duck Zip to Thigh Unlined Overall, R37 - Wilco Farm Stores