Material: Full of polyester, fast dry, lightweight, soft, breathable, cool and comfortable. Sun Protection: The UPF 50+ uv shirt blocks harmful UVA/UVB rays, allowing you to enjoy the outdoor activities. Quick Dry & Breathable: This performance moisture wicking tshirt keeps you dry and cool all day. 4-Way Stretch & Tag-Free: The athletic short sleeve shirts allow you to move freely and avoid resucing chafing during exercise. Occasion: The spf athletic shirts for women are perfect for running, workout, hiking, sports, surfring, yoga, gym, vacation, swimming, tennis and daily wear. Great to wear indoors, outdoors and in summer, spring or fall. Womens workout tops short sleeve uv shirts upf 50+ sun protection rash guard