Jockey Life by Men's Crew Neck T-Shirt 100% Pure Cotton 100% Pure Cotton Reinforced lay-flat collar Tag-free comfort Extra length stays tucked in Size Chart: S 34-36" (85-90cm), M 38-40" (95-100cm), L 42-44" (105-110cm), XL 46-48" (115-120cm), XXL 50-52" (125-130cm)