Artix - Plus Sweatshirts and Hoodies - Heartbeat Photography Adult Unisex Crewneck Sweatshirt. 8 oz./yd² (US) 13.3 oz./L yd (CA) 50/50 preshrunk cotton/polyester. Heather Sport colors: 60/40 polyester/cotton. Safety Green: Compliant with ANSI / ISEA 107. Very comfy fit to wear all day and your wear go-to garment fits like a well-loved favorite featuring modern fashionable fit. Superior sweat-free material that acts as the best blank. It is so soft you ll fall in love with it. It feels great on your skin and drapes beautifully.