Balmain Imperial Semi Transparent Acetate & Titanium Rectangle Square Acetate Sunglasses in Tortoise Designer Sunglasses by Viktor&Rolf Wholesale Acetate Rectangle Sunglasses Rounded Rectangle Acetate Sunglasses Madewell. Black acetate upper frame construction Gold titanium lower rim and bridge Dark tinted UV protection lenses Rectangular frame shape Gold temple detailing Unisex design Premium hybrid material construction Thom Browne Acetate and Titanium Rectangular Sunglasses deliver sophisticated eyewear with premium hybrid construction and timeless appeal. Crafted from luxurious black acetate upper frame with gold titanium lower rim, featuring dark tinted lenses for superior UV protection. The classic rectangular silhouette and signature gold temple accents create an elevated accessory for discerning wardrobes.