• 100% combed and ring-spun cotton • Heather Prism Lilac & Heather Prism Natural are 99% combed and ring-spun cotton, 1% polyester • Athletic Heather is 90% combed and ring-spun cotton, 10% polyester • Other Heather colors are 52% combed and ring-spun cotton, 48% polyester • Relaxed fit • Pre-shrunk fabric • Side-seamed construction • Crew neck