Вы писали, что это азиатские размеры, значит мне надо на размер больше. Ваше поло понравилось брату и я хотела купить ему, но боюсь, что размер не подойдет.
You wrote that this Asian dimensions, means I need more size. Your Polo liked my brother and I wanted to buy it, but I am afraid that size will not work.
You wrote that it is the Asian size, so I have one size larger. Your brother Polo liked and I wanted to buy him, but I'm afraid that the size does not fit.
You wrote that the Asian dimensions, then i must be a size larger. Your polo like brother and I would like to buy it, but I am afraid that the size is not a good fit.