Nike Free Flyknit+ (San Francisco Women's Marathon)
Designed as a second skin for runners' feet, the Nike Free Flyknit+ makes for an excellent race-day shoe for those looking to go the distance without carrying floppy bricks on their feet. This particular double pack has been released under the Nike X Collection banner which celebrates ten years of the Nike Women's Marathon in San Francisco. Comprising a black and aquatic edition of the sock-like sneak, the pack comes branded with Xs on the insoles. To slide into the Frees head to the Nike website now.