5.2 oz./yd², 95/5 polyester/spandex; UPF 40+ protection; Four-way stretch fabric for increased mobility; Rich, cotton-like feel; Debossed Spyder neck tape; Hidden two-snap placket with Spyder logo; Rolled forward shoulder seams for ease of movement; Side vent detail; Locker loop; High definition Spyder wordmark on back yoke; Stylized back darts;