Calvin Klein Men's Nano Logo Tee. It features a regular fit, so order your usual size. Available in sizes S-3XL. The model is 6'1" and wears a size Medium. This white tee is made from breathable, lightweight cotton and has contrasting Calvin Klein branding to the chest. It has a classic crew neck, short sleeves, and a straight hemline. Material Content: Cotton. Washing Instructions: Machine Washable.