4-WAY STRETCH FABRIC THAT'S QUICK-DRYING AND BREATHABLE WATER-RESISTANT FINISH ARTICULATED CUT FOR FREEDOM OF MOVEMENTROOM FOR KNEE PADSTHREE POCKETS FOR ESSENTIALSSTANDARD FIT - MOUNTAIN BIKE SPECIFIC95% NYLON 5% SPANDEXMADE WITH BLUE SIGN APPROVED FABRIC MEANING SUBSTANTIALLY FEWER CHEMICALS AND WATER WAS USED IN THE PRODUCTION - THESE PANTS ARE AS ECO-FRIENDLY AS THEY COME.