Tilley Outback TWC7 Waxed Cotton - YouTube。This oval shaped, curved brim style is made from sustainable BCI cotton which is processed by the British Millerian Co Ltd where it undergoes a double pass of wax to give the fabric a natural water repellent finish that develops it own unique character over time. The Outback is a handmade heritage hat that is perfect for all weathers providing the highest sun protection rating. • 100% BCI cotton with wax finish • Front: 2 3/4\"\\nBack: 2 1/2\"\\nSides: 2 1/4\" • Crown Height: 4” • Size: L ( see the attached measurements picture) • New without tags