MIER women's long-sleeve sun protection workout shirts are meticulously crafted from 100% recycled polyester, combining softness with lightweight comfort. The high-quality, breathable fabric efficiently wicks sweat away from your skin, ensuring a cool and refreshed feeling during any activity. Offering UPF 50 protection, these shirts provide superior defense against harmful UVA and UVB rays. The fashionable high-low hem with side slits not only adds style but also enhances mobility, making them ideal for running, hiking, fishing, yoga, gym sessions, travel, or any leisure activity you enjoy.