Duluth Trading Knee Pad Inserts for gardening overalls. New. - Fits in any Duluth men's or women's work pants / overalls that have built-in knee pad pockets These knee pad inserts provide the comfort your hardworking knees deserve. The slim, lightweight design means they don't get in your way or limit movement, whether you're standing or kneeling. Features - 8mm neoprene construction for lightweight and superior cushioning in a low-profile design - 4-way flex for freedom of movement Water resistant - 6"W x 9-1/2"L