Knockaround Fast Lanes Sport Sunglasses - Funkwave Travel Rehydration Caffeine has been shown to

Caffeine has been shown to promote alertness and reduce perceived effort and pain

while polarized smoke lenses and gold accents bring easy sophistication to this neutral look

so you can feel good about wearing them all day in the sun

With the Silva USB Charge Adapter you can use your battery as a powerbank and charge your devices

Made in the USA at an FDA-inspected cGMP (current Good Manufacturing Practices) facility and independently tested to not contain any banned substances

Knockaround Fast Lanes Sport Sunglasses - Funkwave Travel Rehydration Caffeine has been shown toKnockaround's clean cut, rectangular Fast Lanes style are impact resistant and polarised. No sunglasses look better on the road (or in the air, or really anywhere in between) or flatter medium to larger face shapes quite like Knockaround's Fast Lanes. Features Super lightweight polycarbonate material UV400 protection FDA approved impact resistant lenses with laser etch logo detail Protective pouch included