Stay cool and protected on any adventure with this technical sun hat. Its defining feature is a 360° mechanical ventilation system with active flap panels that promote continuous airflow around your head, effectively reducing heat buildup and sweat. The full-circle, wide brim provides complete, shadow-free sun protection for your face, neck, and ears, surpassing the coverage of a standard baseball cap. Built for all-day comfort, the hat includes a moisture-wicking sweatband, a breathable internal mesh lining, and a rear adjustable dial for a perfect, customized fit. Added details like reflective prints for visibility and a removable chin cord for windy conditions make this the ultimate, packable companion for hiking, fishing, travel, and everyday sun exposure. Spec: 54-58cm(S) 58-60cm(M)