Adjustable, elasticated fastener ensures the perfect fit for every size. Built-in inner band to wick sweat and moisture away. UPF 50 - Provides UV protection in accordance with standard AS/ NZ4399:2017. Certified as CE, personal protective equipment (PPE) against natural UV radiation with results achieving UPF >50 ( 98% UV protection). Protection may be weakened. Stay cool and fresh with innovative ventilation.