AfterShokz | Xtrainerz Zip and 4th) metatarsal heads

and 4th) metatarsal heads

All you need

designed to relieve discomfort caused by Runner’s Knee

Please see our RETURNS POLICY regarding these items**

Whether you're heading to the gym

AfterShokz | Xtrainerz Zip and 4th) metatarsal headsTake 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).