Bold simplicity, high standards• 100% combed and ring-spun cotton (Heather colors contain polyester)• Ash color is 99% combed and ring-spun cotton, 1% polyester• Heather colors are 52% combed and ring-spun cotton, 48% polyester• Athletic and Black Heather are 90% combed and ring-spun cotton, 10% polyester• Heather Prism colors are 99% combed and ring-spun cotton, 1% polyester• Fabric weight: 4.2 oz (142 g/m2)• Pre-shrunk fabric• Breathable in-seems• Side-seamed