Game on! Adidas launch their sub2 racing flat. It looks sweet. According to the PR
"This latest innovation draws on adidas' rich heritage of successes in marathon running. The brand's goal was to make the world's fastest long-distance racing shoe through the aggregation of marginal gains during the 20,000+ steps it takes to complete a marathon.
Independent sports science research has shown that Boost can provide a one per cent improvement in running economy
Overall weight reduction of 100 grams delivers an additional one per cent improvement in running economy
Continental rubber sole delivers more grip and less slip, meaning athletes only run as far as they need to"