< a href=" http://www.selfridges.com/GB/en/cat/nike/"style="text-decoration: none"><font color="black"><b>Nike</b></font></a> resurrects this racing footwear legend as the hottest lifestyle trainer. Modernised with Flyknit fabric for an ultra-light feel, the <b>Air Sock Racer Ultra</b> model contours to the shape of your foot to provide breathability, stretch and support to where it’s needed most. While a foam midsole and responsive cushioning in the heel quickly reacting to protect your every step, the adjustable straps let you create the perfect fit.