The Gildan SoftStyle is made with 100% 4.5 oz ringspun cotton. It's a shirt designed to maximize comfort while still maintaining breathability. Think of a material that's soft enough to live in and you know why you'll love the SoftStyle.
Some colors offer a different blend. Sport Grey is a 90% cotton 10% polyester blend, while all Heather colors are a 65% polyester 35% cotton blend.