Under Armour Women's Power in Pink Go Fight Cure T-Shirt Power In Pink product: A portion of all proceeds are donated to national breast cancer charities and medical centers Updated UA Tech fabric has a softer, more natural feel for incredible all-day comfort Signature Moisture Transport System wicks sweat so it dries faster than ordinary cotton Lightweight stretch construction improves mobility for full range of motion 4.3 oz Polyester/Rayon