Fabric 100% Polyester UPF 50+: high-density fabric blocks 98% UVA/UVB Rays Soft & 4-way stretch Breathable & lightweight Features: High-low hem sun shirts: high-low hem with wide side slits, suit for all body shapes Wide side slits: provides more room to move around and make you look slimmer Round Neck: Provide extra coverage against the sunburn Occasion: Perfect for hiking, climbing, running, working out, and exploring on and off the path, it glides over the body with ease for a perfect fit.