NSF Sayde Slouchy Slim Sweatpant in Black. Size XS. 100% cotton. Elastic waistband with drawstring closure Please note: drawstring color will vary. Side seam and back slip pocket. Elastic cuffs. Intentionally distressed areas. French terry lining. Item not sold as a set. Made in USA. NSF-WP168. 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.