Prada Sunglasses SPR 31N BLACK 1AB-3M1 SPR31N Composite Imported PLASTIC frame Glass lens non-polarized Lens width: 58 millimeters Bridge: 16 millimeters Arm: 135 millimeters Brand: Prada Model: SPR 31N Color Code: 1AB-3M1 Made in ITALY Lens Characteristics: 100% UV400