Official uniform : a white jersey with a single horizontal navy-blue stripe over the chest , white -LRB- or blue -RRB- trousers , white -LRB- or blue -RRB- socks .

Official uniform -LRB- `` camiseta titular '' -RRB- : a white jersey with a single horizontal navy-blue stripe over the chest , white -LRB- or blue -RRB- trousers , white -LRB- or blue -RRB- socks .
