100% Nylon; Machine washable, tumble dry (LOW) or line dry, no bleach * Softech Stretch fabric is flexible and moves with your body, so nothing will break your stride as you head up the hill * Side vents keep you from overheating so you can hike for the good stuff without feeling like you are in a sauna * Internal gaiters block snow from getting into your pant legs so you will stay dry when you?re in the deep stuff * China