Michael Phelps X-O Swimming Cap

Look just like your sporting hero wearing the Michael Phelps X-O Swimming Cap which is FINA Approved.

The X-O Swimming Cap's unique streamlined design combines strategically placed, dual density panels with differing levels of thickness and rigidity to provide a hydrodynamic shape and ensure a perfect 360-degree fit. EXO-Core technology combines two diameters of silicone to obtain maximum performance. The cap is ergonomically designed to follow the shape of the head.