Cotton - Made of 4.3 ounce 100% combed ringspun cotton jersey, 32 singles (garment geek term for high quality fabric).

Cotton/Polyester Blend - Made of 60% combed ringspun cotton jersey & 40% polyester, 32 singles.

Both styles are super-soft and comfortable.

Care instructions: Machine wash cold. Only non-chlorine bleach when needed. Tumble dry low. Do not iron decoration.