6.53 oz., 95% polyester, 5% elastane; UPF 50+ sun protection; Material wicks sweat and dries really fast; Anti-odor technology prevents the growth of odor-causing microbes; Soft anti-pick, anti-pill fabric is extremely breathable and lightweight; Four-way stretch material moves better in every direction ; Shaped hem for enhanced coverage ; Streamlined fit that's not too tight or too loose