Undefeated and Beats by Dre have unveiled a custom pair of Powerbeats 2 Wireless earphones as part a limited-edition collaborative effort. The exercise-tuned product, which wirelessly connects to any Bluetooth device, is clad in a military-olive colorway with a contrasting orange on the fastener, used to adjust the length of the chord. In addition, the earphones are also water-resistant and offer a snug adjustable fit for the wearer.