Aftershokz Trekz Air Headphones Colour:Midnight Blue both during and after training

both during and after training and racing

The unique polarised polycarbonate lens system makes them robust and durable

The wide elastic waistband gives a more custom fit and flat-seam construction reduces the risk of irritation from chafing

in both rearfoot and forefoot

Aftershokz Trekz Air Headphones Colour:Midnight Blue both during and after trainingThe next generation of bone conduction technology is whats inside our lightest and most organically designed open ear headphones to date. We cut the bulk and used titanium everywhere possible to ensure they not only fit more securely but sound better too. Trekz Air are inspired by the demands of elite and aspiring athletes motivated by their music and their world. Features Bone conduction technology delivers music through your cheekbones, ensuring