Member's Mark Men's Performance Polo is the perfect combination of style and comfort. It has a reinforced self collar that stays in place and side slits that provides ease of movement, all making this shirt comfortable to wear. This shirt has 4-Way stretch, UV resistant finish, and draws heat away and cools skin. 88% polyester, 12% spandex. Measured flat: Chest approx. 22", Length from shoulder approx. 29".