6.35 oz., 92% polyester, 8% elastane; UPF 40 sun protection; Material wicks sweat and dries really fast; Anti-odor technology prevents the growth of odor-causing microbes;Textured, soft anti-pick, anti-pill fabric has a snag-free finish ; Four-way stretch material moves better in every direction ; Updated placket with low-profile buttons for a modern, clean look ; Flat knit ribbed collar ; Loose fuller cut for complete comfort;