Articulated knees for ease of movement. Elastic waistband with internal drawstring. Zippered pockets and legs. Regular Fit. The padding, Thermore Ecodown fiber, is a 100% recycled fiber with highly effective insulation properties that is very lightweight and stays clump-free after washing. Bionic Finish Eco® technology on the fabric surface ensures that light rain and sleet run off. Articulated knees that adapt to your natural movements. Wide waistband with silicone trim and drawstring for best possible fit. Bottom zipper for easy on or off. Regular Fit.