Men's swimwear: Get a pair of men's colour changing swim shorts. Colour changing: The shorts are temperature-sensitive and are designed to change colour when in water. Material: Made from 95% polyester and 5% spandex. Four colours: Choose between pink, yellow, purple and beige. Comfortable: Features an elasticated waist for a comfortable fit. Sizes: Valid in UK sizes S-3XL. Men's Colour Changing Swim Shorts | Living Social | Living Social