Our Mens Special Effect Printed Tees have Color Changing Solar Graphics printed on front. Inside they appear to be Black & White Sketches. But, go outside into the sunlight and they take on bright colors. Graphics are only printed on light color tees to enable the solar hues to show off to their best. Men’s Regular Sizes S M L XL Big and Tall Sizes 2X 3X 4X 5X 6X and LT XLT 2XLT 3XLT 4XLT.