Tuga Adult UPF 50+ Pacifico Wide Brim Legionnaire Style Hat (UV Sun Protective) Imported Adult Unisex Sun Protective Lightweight Wide Brim Legionnaire Style Hat. One size fits most with circumference of 22.5" inches. For reference, hat would be an adult size Medium/Large. UPF 50+ for Ultimate Sun Protection, Blocks Damaging UVA/UVB Sun Rays Wide 3.5" Brim, Built-in Sweat Band, Mesh Vent on Sides for Cooling and Airflow Zippered Pocket on Neck Flap and Clip to Prevent Fly Away Adjustable and Removable Chin Strap, Tuga Logo on Side, Easily Folds to Pack