Costa Del Mar Sunglasses. Series OCEARCH Loreto. Series number: LR 278OC. Color code: OBMGLP. Size: 56. Shape: Pilot. Lens Width: 56 mm. Lens Height: 45.4 mm. Lens Bridge: 14 mm. Arm Length: 126 mm. 100% UV protection. Polarized. Frame Material: Monel. Frame Color: Matte Gray Crystal Temples. Lenses Type: Blue Mirror Polarized Glass. Rim Style: Full-Rim.