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