The Carhartt Men's Force High-Visibility Short-Sleeve T-Shirt. Size being a large. In a bright lime color is a solid, crew-neck shirt made of polyester material. With a relaxed fit and short sleeves, this t-shirt is perfect for the summer, fall, or spring seasons. It features pockets for added convenience and is machine washable for easy care. Ideal for men looking for a comfortable yet functional shirt for everyday wear.