Soft anti-pick, anti-pill fabric is extremely breathable & lightweight. Quick-dry for all-day comfort. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. UPF 30 protects your skin from the sun’s harmful rays. Updated performance fit. 96% POLYESTER, 4% ELASTANE.