Patagonia Women's Northwall Softshell Pants Polartec Power Shield Pro with a Regulator high-loft grid interior is engineered for optimal soft-shell performance in harsh conditions Sonic-welded seam construction with reinforced stitch (patent pending) reduces seam bulk and weight Separating waistband with 2-way zippered fly and Drop Seat configuration for ease of use with a harness Thigh pocket with moisture-shedding DWR-treated (durable water repellent) reverse-coil zipper is positioned out of the way of harness leg-loops Articulated knee and seat for enhanced mobility while climbing; Regular Fit