Streamlined Open Water branded silicone swim caps. High quality 50g Silicone Swim Cap is designed to be comfortable, easy to put on and take off. Matt finish to ensure non sticky feel. Protect yourself from both the Sun and cold. Caps are available in Orange, Yellow, Pink and Red to stand out in open water. These silicone swim caps are suitable for both pool and open water swimming. The 50g weight and thickness of these swim caps makes them tough and durable, all the while staying soft and comfortable.