Nike aquashorts for men - Hydrastrong - BlackNike Hydrastrong trunks for men are comfortable, well fitting swim trunks that sit perfectly on your body without causing any discomfort. These black men's trunks feature a simple, streamlined design that looks both stylish and sporty in the water. If you take your swimming seriously, these swim trunks are for you. To glide farther and faster through the water, it's important to think about the type of swimwear you use and how it fits your body.