Chums Neoprene Classics Sunglasses Retainer - The Neoprene eyewear retainer has been a favorite of river runners and people on the water for decades. The lock-stitched ends slip over most size eyewear frames. For a tighter fit, slide the retainer further down your frames. Features: Industry standard for neoprene retainers Quick drying and durable Comfortable, lightweight and easily adjustable Light flotation, floats frames up to 15g Latex free Customization available Length: 16in Weight without packaging: 0.2oz