95% polyester, 5% elastane. Smooth, soft anti-pick, anti-pill fabric has a cleaner, snag-free finish. Four-way stretch fabrication allows greater mobility in any direction. Snti-odor technology prevents the growth of odor causing microbes. 30+ UPF protects your skin from the sun’s harmful rays. Durable rib-knit collar.This item has been discontinued. Stock is limited to what is on hand.