89% Polyester, 11% Spandex 180g; Four-way stretch fabric; 40+ UV protection; Rich, cotton-like feel; Debossed Spyder neck tape & locker loop; Hidden two-snap placket with ‘Bug’ logo; Stylized back darts for the perfect fit; Rolled forward shoulder seams for ease of movement; High definition Spyder wordmark on back yoke; Side vent detail for casual untucked look