Sonic Polarised Sunglasses in Black & Blue Mirror Alder The adjustable cuffs and waistband

The adjustable cuffs and waistband allow you to customize the fit to your liking

while also offering increased visibility to others while you’re in the water

They have removed the expendable parts of the old system keeping their patented spring system intact and reinforced the essential parts making it lighter and more resistant as well as improving the aesthetics

5 inches and a perfect fit for most sizes

padded collars

Sonic Polarised Sunglasses in Black & Blue Mirror Alder The adjustable cuffs and waistbandThe Dirty Dog Sonic Polarised Sunglasses in Black & Ice is moulded from Grilamide TR90, a thermoplastic polyamide. The frames of the Sonic are lightweight and extremely flexible plus with 100% memory the frames will always bounce back to their original shape.