Adidas claims its new Techfit Endurance Suit can shave nearly a minute off a two-hour marathon as it “corrects and enhances” a runner's form. Is this a game changer even though Sabastian Sawe refused to wear it in London (Kejelcha did wear it)?
*MB: Adidas: We've developed a new speedsuit that improves running economy by more than 1% (but Sabastian Sawe didn't wear it)