No Sensor loss due to Velcro Failure, Will not crack or break like inferior plastic models, Flexible, Sturdy elastic for an accurate read and comfortable fit, Easy to remove and change Sensor from shoe to shoe, Two Holders for the price of One! 1 Red & 1 Blue
Synthetic and mesh upper for support, Phylon midsole with flexible Air-Sole unit, Nike Shox technology in heel for responsive, cushioned ride, Nike+ enabled for instant workout feedback when used with either a Nike+ SportBand or an iPod® nano and Nike + iPod Sport Kit, 100% Authentic New in Box
This shoe connects wireless to your ipod to record important statistics when you are training., Nike + Ipod technology in sole, Nike Shox in heel for cushioning and added comfort, Durable rubber outsole with deep forefoot flex grooves for flexibility, Breathable mesh upper with supportive rand
