PREMIUM FABRIC: Ultra-soft, quick-drying fabric provides ultimate comfort and ultra-light breathability that actively wicks moisture away from your skin, keeping you dry, cool and comfortable during your workout SPORTS SAFETY: Our sun spf shirt features a stylish reflective dot design (distributed under the armpits and on the outside of the arms), allowing you to improve sports safety in low light COMFORTABLE FIT: This running shirt long sleeve features a tagless collar and flatlock seams to reduce chafing and improve comfort, providing a full range of motion for both arms and a relaxed fit that isn't too tight to give you freedom of movement UV PROTECTION: UPF 50+ rating provides excellent UV sun protection to protect your skin from UVA, UVB rays APPLICABLE SCENARIOS: Perfect for a variety of sports and activities, including outdoor sports, fishing, sailing, swimming, running, biking, hiking, etc.