Kobalt Tactical Knee Pads in the Knee Pads department at Lowes.com
Athletic Works Volleyball Cushion Knee Pads, Reversible Black and White, 6.25" x 6" - Walmart.com
Bullet Safety Gear Knee Pads - Black | SoCal Skateshop
Sellstrom Ultra Flex III KneePro Knee Pads for Construction, Gardening, Flooring - Pro Protection & Comfort for Men & Women (Multiple Colors),Black: Amazon.com: Tools & Home Improvement