These diving boots have been difficult to obtain both now and in the past. The Mew boots are exclusively for long fins, and walking on rocky terrain is difficult. The material is also thicker and more durable than the Mew boots. These are not designed for long fins, but they are non-zippered, making it difficult for water to enter. The appearance seems to be fine to the untrained eye, but deterioration cannot be guaranteed due to being a stored item. The sea's winter is later than on land, and May is still winter.