Designed for warmth under waders, our Tough Puff Pants are so comfortable, you’ll wear them around camp. Made with the same stretchy, durable fabric and FullRange® stretch insulation as our Tough Puff Hoody for performance, warmth and freedom of motion. Fair Trade Certified™ sewn. Durable 100% polyester (46% recycled) shell with mechanical stretch and a moisture-shedding DWR (durable water repellent) finish. Gusseted crotch and articulated knees for freedom of movement; adjustable waist strap; zip fly and button closure; tapered ankles.