Burberry Sunglasses. Series Briar. Series number: BE4392U. Color code: 396673. Shape: Square. Lens Width: 52 mm. Lens Bridge: 19 mm. Arm Length: 140 mm. 100% UV protection. Non-Polarized. Frame Material: Acetate. Frame Color: Check Brown. Lenses Type: Dark Brown. Rim Style: Full-Rim. UPC/EAN code: 8056597826662. Burberry Briar Dark Brown Square Ladies Sunglasses BE4392U 396673 52.