Champion Eco Fleece Crewneck Men's Sweatshirt - S2465 The Champion Eco Fleece Men's Sweatshirt. Soft, warm, substantial...and made with recycled fibers.It's our softest Champion men's sweatshirt. And it's made with up to 5% recycled polyester fibers! 9.3-oz. heavyweight fleece helps block out cold and chill. (Comes in a plush cotton blend, brushed inside for warmth and softness.) Stretchy ribbed cuffs and hem help seal out chilly air.