Halo Sunglasses Our best loved Halo Collection with its twilight hues enters a new orbit with these flattering square-shaped sunglasses. Prescription ready with 100% UVA/UVB protection. Style: #A13013 Collection: Halo Color: Black-Tanzanite 100% UVA/UVB Protection: Yes Optical Ready: Yes Material Accents: Swarovski crystal Sunglass Shape: Square