Perforated panels

It uses the DMC Patented RVR Design which enables Max Speed with Less Fatigue

The corrosion-resistant tabs and string closure system guarantee a secure fit that withstands the elements

The compact design is lightweight and fits easily in your bag

and the 5mm about 2

Mike Stewart Gyroll Traveler Hat 4/3 mm Perforated panelsMike Stewart Gyroll Traveler Hat The Gyroll Traveler Hat is your passport for wherever the road takes you. Lightweight and breathable, it keeps you comfortable through sun soaked beach days, mountain hikes, and everything in between. With a design that's equally at home at a seaside caf or on a dusty trail, this hat proves you don't have to choose between adventure and style. Pack it, wear it, love it