BOLD STYLE: This tested and proven mutant is always ready to get into the mix. Available with the SPY Happy lens and Trident polarization, the Logan features a virtually indestructible Grilamid construction, high-quality pin hinges, 8-base polycarbonate ARC lenses for superior clarity, and 100% UV protection GREAT LENSES: 100% UV protection reduces eye fatigue and long-term sun damage, and our 6-base polycarbonate ARC lens technology provides increased optical performance SAFETY FIRST: All Spy Optic sunglasses are designed to be lived in and are tested by world class athletes around the world. Logan will stand up to any challenges you throw at them, the lenses are shatter resistant and the durable frames and hinges are made to last. Take these glasses anywhere