Olan captures the essence of the 70's in its oversized squared frames. It's custom dyed lenses were formulated exclusively by BRU and are semi see through. They are polarized and offer 100% UVA and UVB protection along with being handmade in limited quanities to ensure quality and exclusivity. Our sunglasses are equipped with a spring hinge mechanism that provides flexibility. This feature allows them to comfortably fit a wide range of head sizes while ensuring a secure fit. Each pair come with a branded lens wipe and vegan leather hard case Bio Acetate TAC Polarized Lens Spring Hinges