Engineered with integrated, dual-density stretch zones, stabilizing ribs, and internal dimpling, the X-O cap offers a sleek and secure fit.
- Liquid Silicone Injected Cap - Provides perfect balance of stretch, compression and durability
- Perfect anatomic shape
- Thicker and Thinner Panels - Strategically placed to avoid wrinkling and prevent the cap from riding up
- FINA Approved