NCAA Stanford University Sweatshirt and Tee Combo Pack Dri-Power Hooded Fleece sweatshirt: 50% cotton / 50% polyester. Moisture Management tee-shirt: 42% cotton / 58% polyester. Sweatshirt features the new Dri-Power technology which removes moisture from your body to keep you dry and comfortable. Sweatshirt has a 2-ply hood, ribbed knit cuffs and waistband, front pouch pocket and draw string hood closure. All seams are fully covered. Tee-shirt is an athletic cut with tagless back neck heat seal, and is made of Moisture-Management Quick Dry fabric to keep you dry. Machine wash warm with like colors, only non-chlorine bleach when needed. Do not use fabric softener. Tumble dry low.