Calvin Klein Men's Nano Logo Tee. This t-shirt offers a regular fit, so you can order your usual size. It is available in sizes S-3XL. The model is 6'1" and wears a size Medium. Details: Nano Logo Interlock T-Shirt by Calvin Klein. Made from breathable, lightweight cotton. Features contrasting Calvin Klein branding to the chest. Classic crew neck and short sleeves with a straight hemline. Material Content: Cotton. Washing Instructions: Machine Washable.