NWT Size Small. Perfect for cold weather activities and for travel. Sold out online. Product Details FOR: Medium and high impact workouts in cold climates FEEL: POLARTEC® POWER STRETCH® fabric lends thermal insulation for your coldest training FAVE: Comfortable wide waistband with adjustable internal drawcord Back zip pocket secures your essentials Fabric + Care Nylon/Polyester/Spandex WICKING: Pulls sweat away from the body to the surface of the fabric so it can evaporate EASY CARE: Just throw in the wash and dry without a second thought Machine wash and line dry.