AS IN "MIND THE GAPS".Made with the perfect amount of stretch to keep your buttons closed and your chest hair out of sight. Dump your shirts at the cleaners—now—and only buy these. MATERIAL Soft, comfortable cotton/poly/spandex blend allows 4-way rebound and recoil stretch. Tucks in, or not. We made this the perfect length to go either way. Enzyme-washed for added softness and hand feel. FIT True to size. Form fit for a tailored look. Dominic is 6'0" wearing a size 3XL. Need a smaller size?