100% polyester, Breathable, wind and waterproof with taped seams.; Extra long zip with storm flap on outerside of lower leg so they can be easily pulled on over boots.; Adjustable kneepad pockets so kneepads can be optimally placed on the knee.; Snow locks inside the leg to keep snow and dirt out.; Form cut sleeves with great freedom of movement.; Internal storm cuffs in the sleeves made of moisture-wicking COOLMAX® ALL SEASON – can be adjusted in length and come with thumb holes.