Denim colored, 85% Cotton/15% Poly Fleece for use in Jeans. Cotton Fleece gives extra cushion for comfort and irritating seams in Ev'y Femma's favorite jeans and denim trousers. No Visible Panty Lines or whale tails peeking out! Smoothe looks and comfortable movement is why Ev'y Femma chooses to 'go COMMANDOS' in her COMMANDOS cotton patches.