AfterShokz | Xtrainerz headphone If you're new to sprinting

If you're new to sprinting or simply looking for a versatile

Lens: Smoke – Shatterproof polycarbonate interchange lenses for bright and low light scenarios

ensuring your feet stay comfortable in any condition

and so much more

leaving them performing like new

AfterShokz | Xtrainerz headphone If you're new to sprintingTake open ear listening to new depths with Xtrainerz wireless MP3 headphones. Xtrainerz are an innovative solution for consuming audio in and out of the water while youre cross training toward your new PR. The open ear design removes the limitations of traditional swimming headphones, and the 4GB memory stores up to 1,200 songs, allowing you to take Xtrainerz on any adventure; no wires, no devices, no limits. (Not Bluetooth compatible).