Show your support for the Blues in training and complete your kit in these Cardiff Blues 18/19 Home Rugby Socks from Macron. Guinness Pro 14’s Cardiff Blues are one of only four professional Welsh regional rugby teams. They have now collaborated with Macron for their 2018/19 kit and training attire. These socks match the home shirt by featuring navy, sky blue and white. Most of the sock is navy but they feature two sky blue hoops that are outlined by white. They also feature the club crest in between the two hoops.