Black Father Shirt, The Essential Element Shirt, Dope Black Dad Shirt, Best Dad Ever Shirt, Black Dad Shirt, Father's Day Gifts Fiber composition Solid colors are 100% cotton; Heather colors are 50% cotton, 50% polyester (Sport Grey is 90% cotton, 10% polyester); Antique colors are 60% cotton, 40% polyester Fabric Made from specially spun fibers that make very strong and smooth fabric, perfect for printing Without side seams Knitted in one piece using tubular knit, it reduces fabric waste and makes the garment more attractive Ribbed knit collar without seam Ribbed knit makes the collar highly elastic and helps retain its shape Shoulder tape Twill tape covers the shoulder seams to stabilize the back of the garment and prevent stretching Machine wash: warm (max 40C or 105F); Non-chlorine: bleach as needed; Tumble dry: medium; Do not iron; Do not dryclean.