Zappos.com is proud to offer the Nike - Free XT Motion Fit+ (Dark Grey/City Grey/Sonic Yellow/Neo Turquoise) - Footwear: Hit the gym with the amazing support and excellent cushioning of the lightweight Free XT Motion Fit+. ; Mesh upper with synthetic overlays for a supportive, breathable fit. ; Cushioning at the collar ensures a comfortable fit without the bulk. ; Cushlon foam midsole for lightweight, supportive cushioning. ; Deep multi-directional flex grooves at the outsole for a more natural range of motion and enhanced flexibility. ; Rubber pods at outsole for traction. ; Nike+ ready. (Sensor sold separately) ; Weight: 8 oz ; Product measurements were taken using size 8. Please note that measurements may vary by size.