#AsyntShades for your best summer look!

Those fantastic people at Compound Interest are back with the full story on the chemistry of sunglasses.  There’s so much to it depending on what finish you want and if you want your lenses to react to increases or decreases in sunlight.

Our Asynt sunglasses were voted by the team as our coolest giveaway yet and if you’d like the chance to get your hands on a pair then join in the fun over on TwitterHere’s how:

You’ve got until Wednesday 30th September 5pm GMT to get your selfies to us!  Go, go, go! :)