6.7 oz., 95% polyester, 5% elastane; Anti-odor technology prevents the growth of odor causing microbes; 30+ UPF protects your skin from the sun; Smooth, soft anti-pick, anti-pill fabric has a cleaner, snag-free finish; 4-way stretch fabrication allows greater mobility in any direction; Durable rib-knit collar; Athletic loose fit; Black UA logo on High-Vis Yellow and True Gray Heather; Graphite UA logo on White; White UA logo on all other colors