Arena Moulded Pro II silicone swimming cap - the perfect accessory for serious swimmers who demand comfort, performance and style. Arena swimming cap primarily designed for professional Swimming players. This hydrodynamic swim cap is crafted with high-tech 3D moulding for a wrinkle free fit and minimal drag in the water, allowing you to glide through the pool with ease. best swimming cap in this price segment. The arena Moulded Pro II silicone swimming cap features contrasting arena lettering to the front, adding a touch of style to your swim gear. This cap is suitable for heads with long hair, allowing you to focus on your performance and technique in the water.