The Gildan Medium Adult Performance T-shirt is the perfect performance shirt for your design. This 100% polyester tee is the preferred shirt for professional screen printers everywhere because of its fit, printing ability and its durability. It is ideal for tie dye, fabric markers, embellishments and more. Fiber content varies by color. This moisture wicking t-shirt has a rib collar, and taped neck and shoulders for durability. It feels like cotton.