This is the Arsenal Optix Livewire Polarized Sport Sunglasses All Colors Features: Polarized lenses for UV protection, reduced glare and enhanced depth perception Metal frame constructed with a strong, hypo-allergenic Monel nickel-silver alloy that retains its shape Ergonomic fit Bold yet stylishly simple, these ARSENAL Livewire sunglasses offer excellent visibility and work with any outfit for the day. They&';re equipped with a hypo-allergenic Monel nickel-silver alloy that retains its shape, as well as polarized lenses for UV protection, reduced glare and enhanced depth perception.