MP Michael Phelps - Focus Snorkel Restrictor Cap

Michael Phelps Focus Swim Snorkel Restrictor Cap to restrict airflow and to help increase your lung capacity. With a standard fit, this restrictor cap fits regular and small snorkels. Features:

- Restrictor cap for swim snorkel.
- Restricts breathing by 40%.
- Fits regular fit and small fit Focus snorkels.
- Constructed of durable, synthetic material.