The Men’s Staple Tank Top is made of high-quality durable materials. Wear it on a sunny day out or offer it to your customers on your online store. 100% combed and ring-spun cotton. Tri-blends are 50% polyester, 25% combed, 25% ring-spun cotton, and rayon. Athletic Heather is 90% airlume combed and ring-spun cotton, 10% polyester. All the other Heather colors are 52% airlume combed and ring-spun cotton, 48% polyester. Regular fit. Side-seamed construction.