Relaxed Fit for superior comfort, classic Crew Neck sits snug around neck, Short-Sleeve Ribbed knit collar made with Lycra maintains tightness and shape, wash after wash Durable quality construction with double-needle sleeves, bottom hem, and coverseamed neck with shoulder-to-shoulder tape Legendary Pro Club quality, keeps shape over time without stretching or sagging. Famous for its casual style, premium material, quality construction and snug neck. Pro Club T-shirts are made in the USA. Heavyweight Pro Club T-Shirts are heavy duty cotton tees with a nice soft hand feel. The shirts are pre-shrunk and made of 100% cotton (Gray: 90% cotton / 10% polyester, Charcoal: 50% cotton / 50% polyester).