An amazing slim jammer that is perfect for training This jammer from Speedo is made in the color black with a pattern in blue. It can be used by men, and comes in many different sizes, so you can find the right one for you. With this jammer, you can be 100% sure that you will get the perfect fit. This is thanks to the four-way stretch technology. The design is made to follow the contours of your body. This creates a hydrodynamic profile in the water and makes them feel super soft when on. A drawstring at the waist ensures that you tighten them so that they fit optimally The quality of the Jammer is fantastic as it is made of the well-known Endurance+, which means that the fabric is 100% chlorine resistant, meaning that your jammer keeps its shape and colour for longer, so you can wear the jammer for a very long time. In fact, this type of fabric is about 20 times more durable compared to other jammers. Features: Integrated support that provides improved comfort 100% chlorine resistant, thereby your jammer keeps its shape and colour longer Four-way stretch technology Drawstrings at the waist 20 times more durable compared to other Jammer. All in all, the perfect jammer for the recreational swimmer and competitive swimmers who are training.