100% preshrunk cotton; double-needle stitching throughout; taped neck and shoulders; ash is 99% cotton, 1% polyester; sport grey is 90% cotton, 10% polyester; dark heather, cinnamon heather, new safety green and safety orange are 50% cotton, 50% polyester. Add your kennel name or your dog's title under the logo for only $5.00 more !!