Apparel & Accessories > Clothing > Activewear Clothing > Activewear & Loungewear in stock Adidas by Stella McCartney Sweat Pants in Black, X-Small: Cut from a substantial, moveable blend of organic cotton and recycled polyfibers, these sweats have a relaxed fit down the legs and gathered elastic hems. The elastic waistband has a drawstring you can adjust to the perfect fit so it stays in place as you squat, lunge, jog…the list goes on. And lined in cloud-soft fleece, they’re just as hard-hitting kicking back on the sofa.70% organic cotton, 30% recycled polyester.