The Arena Smart Cap Training Black is a fantastic training tool for anyone who loves water sports. As a result of my tests, I determined that it provides excellent head coverage and ensures optimal visibility in the water, making it perfect for swimming, snorkeling, and more .The cap fits snugly and stays securely in place, preventing any water from seeping in. However the cap's tight fit may not be ideal for those with larger heads. Overall, the Arena Smart Cap Training Black is a great investmSee full review