Open Back 和 Close Back 賽衣有甚麼分別？一開始接觸比賽的話，應該怎樣選擇賽衣？讓專業泳手張心悅 Cindy 和李芯瑤 Sasha 幫大家解答一下吧！ What are the differences between Open Back and Closed Black swimsuits? Do you need a nose clip for backstroke? When first starting to compete, how should you choose a racing swimsuit? Let professional swimmers Cindy and Sasha help you answer these questions! #Speedo #SpeedoHK #GoFullSpeedo #CindyCheung #張心悅 #SashaLi #李芯瑤 | Speedo Hong Kong