RUSSELL ULTIMATE STRETCH Women's Short Sleeve Shirt.Our shirt is made of revolutionary LYCRA T400 fiber.This innovative fiber gently pulls material from all directions to keep the shape of the shirt and its cut all day. Strung, button-free collar, button on cuff, round button edges.75% Cotton / 25% Elastomultiester, 125 g / m2. Wash at 40 degrees.