This coat is made from vicuna wool, which is incredibly soft and comfortable.

vicuna 指"小羊驼"，是南美洲安第斯山脉地区的一种骆驼科动物。vicuna 的毛非常纤细柔软，被认为是世界上最优质的动物纤维之一，常用来制作高档纺织品。