Arena racing jammers for men - Primo - Black/light blueWith these Powerskin Primo Jammer, you get the ultimate competition training jammer from Arena. Here you get a pair of super cool jammers, ideal for the competitions where you need to swim breaststroke, backstroke, or medium and short freestyle distances. They support your body in the water and are at the same time very comfortable, allowing you to focus all your energy on delivering your best performance. It definitely matters what you wear when