Dmt libra carbon speedplay road shoesthe libra carbon speedplay road shoes from dmt offer a blend of high performance and complete comfort they are fastened with three velcro straps which lock the foot in place for a safe and comfortable fit while a perforated polypropylene insole offers enhanced breathability and blood circulation to the feet the libra road shoes are set on an innovative new sole comprising a dual layer construction the first layer is built up of composite carbon and fibreg