Soft, fleecy interior provides warmth and insulation. Designed and patterned in the saddle for the perfect fit with body-contouring panels. No-chafe, overlocked with edge stitch seams for a flattering, tailored look. Chamisoft knee patches for non-slip performance, 1.5 inch no-roll waistband for comfort and gripper elastic at ankle. * U.S. Pat. D483,551 and additional patents pending. Material: Polartec Power Stretch - 64% polyester, 24% nylon, 12% spandex. Made in the USA.