100% Polyester Imported Button closure Machine Wash OMNI-SHADE - SUN DEFLECTOR: First-of-its-kind sun protection technology with protective dots that deflect sunlight and reduces heat, so you feel cooler OMNI-SHADE - UPF 50 SUN PROTECTION: Be safe and protected. Omni-Shade blocks UVA and UVB rays to help prevent sunburns and long-term skin damage. The tight weave construction with UV absorbent yarns block the full spectrum of harmful UV rays OMNI-WICK: The ultimate moisture management technology for the outdoors. Omni-Wick quickly moves moisture from the skin into the fabric where it spreads across the surface to quickly evaporate-keeping you cool and your clothing dry