"The cut of the X-O cap is perfect. It doesn’t ride, it doesn’t wrinkle. It’s not completely over my ears, so I can hear."
- Michael Phelps
Engineered with integrated, dual-density stretch zones, stabilizing ribs, and internal dimpling, the X-O cap offers a sleek and secure fit.
- Exo-Core Technology: Combines two thicknesses of silicone for maximum performance
- Internal dimpling and stabilizing ribs prevent movement and wrinkling and keeps the cap in place
- Hydrodynamic 3D shape
- Works in conjunction with our performance Compression Cap to improve the hydrodynamic shape of the head
- Performance cut
- Reusable hard case packaging
- FINA approved
- Designed in Italy
Technologies and Materials:
- EXO-Core Technology