MIER women's long-sleeve sun protection workout shirts are crafted from 100% recycled polyester, ensuring both softness and lightweight comfort. The high-quality, breathable fabric effectively wicks sweat away from your skin, leaving you feeling cool and refreshed. With UPF 50+ protection, they offer maximum defense against harmful UVA and UVB rays. The fashionable high-low hem with side slits is not only stylish but also enhances mobility. Perfect for running, hiking, fishing, workouts, yoga, gym sessions, travel, or any of your preferred leisure activities.