AfterShokz Openswim MP3 Waterproof Headphones - Black Diamond Size:One size fits all With foot stirrups and a

With foot stirrups and a back zip security pocket

47mm diameter watch housing

Lighter footprint

and moisture are unique challenges to footwear that require specialized construction

Suitable for everyone

AfterShokz Openswim MP3 Waterproof Headphones - Black Diamond Size:One size fits all With foot stirrups and aWith AfterShokz Openswim MP3 Waterproof Headphones you can now have music when you swim as well as when you run. These bone conducting headphones sit outside the ear so you can remain aware of your surroundings at all times. They have the best audio quality for bone conduction technology on the market which means there's no need to compromise on sound, even when you're underwater. The built in MP3 Player has a 4GB memory which can store up to 1200