EthioSports | 2014 World Cup Soccer Ball 'Brazuca' Now Available Online from J & K Soccer ... EthioSports The 100% polyurethane version is the version being used in World Cup match play. A lower priced nylon/TPU ball ... Adidas has made several critical design innovations, most noticeably six identical “boomerang” shaped panels. The Brazuca's swirling seam ... |