Jersey cotton with no blends this Tshirt is a wardrobe essential. Wrinkle effect is part of the handmade process making it a perfect travel Tee. Breathable, layerable and fits most. Bonus: This item is pre shrunk and fits long in the body. Works well year round. Hand wash in cold water and hang or lay flat to dry because its the right thing to do, is good for the environment and the cotton likes it. Handmade in Thailand.