Gelscrubs Purdue Boilermakers - Black - Scrub Top The fabric of this item is wrinkle-free 65% polyester, 35% cotton and sanded for extra comfort. Made with robust felling stitch, a double needle stitch, that makes this garment virtually indestructible. Perfect for casualwear, medicalwear, sleepwear, or workoutwear! Team logo is finely embroidered with computer guided precision on the scrub top pocket..