MASCOT&nbsp;Houston Knee Pad Pants - Knee Pads Sold Separately 65%polyester/35%cotton Zipper closure Durable triple stitched seams on leg and crotch extend product life. Ergonomically shaped trouser legs are constructed to follow the body's natural movements. Adjustable polyester knee pad pockets with flap and top access, so they dont collect dirt. Sewn in reflectors provide Hi-Vis protection is low light conditions.