Ray-Ban RB4428 sunglasses in color code 894/57, featuring a Matte Havana square frame with brown polarized lenses. This unisex style has a modern full-rim square shape with generous face coverage and a high bridge fit. The polarized lenses help reduce glare while keeping the classic Ray-Ban tortoise/Havana look easy to wear every day. Ray-Ban and Sunglass Hut list this model as 56-21-145 with brown polarized lenses. Brand: Ray-Ban Model: RB4428 Color code: 894/57 Frame color: Matte Havana Temple color: Havana Lens color: Brown Polarized Lens treatment: Solid Color Lens category: 3P Shape: Square Frame material: Propionate Size: 56-21-145 Lens width: 56 mm Bridge: 21 mm Lens height: 43.5 mm Temple length: 145 mm Fit: Generous coverage, high bridge fit Gender: Unisex