100% Polyester Zipper closure Material: Soft, sleek, lightweight, breathable polyester fabrics. Quick dry: Breathable, lightweight, quick-drying fabric actively wicks moisture away from the skin, keeping you cool and dry and comfy in running, and hiking. UV Protection: The fabric rating UPF 50+ protects your skin from the harmful UVA/UVB rays, keeping you cool. Half-zip design: The design allows for neck coverage, and effectively protects your neck from the interference of UV rays. Perfect for: Outdoor activities like golf, basketball, fishing, sailing, swimming, hiking, running, jogging, workout, fitness, etc. Details