Our feature-packed Explorer Helmet Hat provides 360° sun protection, for improved rider comfort, no matter where you are travelling on two wheels. Designed for maximum UPF50+ sun protection, while allowing for your helmet’s natural airflow, the Explorer bike helmet cover shades and protects. UPF50+ rating refers to the base fabric as tested by ARPANSA - Australia's national fabric testing lab. UPF50+ base fabric, offering the highest protection Large mesh vent panels for cooler rider comfort Protects the face, eyes, ears and back of neck from sun exposure Reflective trim on brim and backflap for added visibility One Size / One Style – Extra Large Fits all helmets shapes and sizes. One Size Fits All: A clever pattern and 5% stretch in the fabric allow the cover to fit helmets of all shapes and sizes—from small to XXL. IMPORTANT NOTE ON FIT: The helmet hat elastic does not need to fit under the back of the helmet to be secure. Between 0 - 5cm+ of the helmet may still be visible. This is okay! Cap Peak measure 8cm Back flap measures 27cm Strap catches to help keep back flap in place Meets Cancer Council guidelines Looped elastic and toggle for easy fit and adjustment Protects the face, eyes, ears, and back of the neck from sun exposure