Amphipod R3 Express Convertible Pack - Thistle - 221-15 Bags while a carbon fiber plate

while a carbon fiber plate helps propel you to the finish line

- Wider toe area for a roomier fit

sleek and made for speed — no matter how fast you are

Whether you are lacing up to grind out a track session or racing the competition

- Stay Secure: An added arch band helps give you a secure fit in muddy conditions and a supportive feel on uneven terrain

Amphipod R3 Express Convertible Pack - Thistle - 221-15 Bags while a carbon fiber plateThe R3 Express allows seamless transition from run time to social time while delivering bounce free stability, comfort, perfect phone storage and stylish conversion to a no fuss everyday crossbody bag. 1. 1L storage volume with internal pocket and key fob Converts from bounce free waist pack to crossbody pack Adjusts to custom fit 21 to 50 sizes Premium, fully lined and moisture resistant nylon construction Integrated R3 Stretch Fit strap technology