5.3 oz/yd²., 89/11 polyester/spandex; UPF 40+ protection; Four-way stretch fabric for increased mobility; Rich, cotton-like feel; Stand up-collar with reverse coil zipper; Debossed 'Spyder' neck tape; Side vents for added mobility and ventilation; Thumbhole on cuffs; Back vent for added ventilation; Back reflective tape for increased visibility; Iconic rubberized Spyder bug logo at back vent; Rubberized Spyder wordmark at right side;