6.4 oz./yd²., 92/8 polyester/elastane; Moisture-wicking performance; UPF 40+ protection; Anti-odor technology; Four-way stretch fabric for increased mobility; Fuller cut for complete comfort; Textured, soft anti-pick, anti-pill fabric has a snag-free finish; Flat knit ribbed collar; Updated placket with low-profile buttons for a modern, clean look;