Plaid men’s sleeveless shirt Men’s undershirt made from polyester/Lycra® spandex Machine wash Imported Sleek and sexy, this colorful men's sleeveless shirt adds a fashionable twist to traditional tartan. The P.O.V. Armada undershirt for men features a bright, body-hugging design of plaid on a silky blend of polyester and spandex. Wear it to bed, or show it off everywhere you can. No matter where you wear it, this chic men's sleeveless shirt has a subtle sheen that's made to attract attention and highlight your contours.