NSF Sayde Slouchy Slim Sweatpant in Pink. Size S, M. 100% cotton. Made in USA. Machine wash. Drawstring closure. Side seam pockets. Terrycloth lining. Item not sold as set. NSF-WP198. 9158-FTD. Based out of California, NSF has caught the eye of many. With their clean design and boyish charm, NSF is recognized for its relaxed, modern style looks.