The restrictor cap is designed to fit into the Micheal Phelps regular fit snorkels and is intended for advanced swimmers only. Only use a restrictor cap under the guidance of your coach.
Restricts breathing by 40%
Fits regular fit snorkels
Constructed of durable synthetic material
This product is SOLD OUT or from a past range.
Aqua Sphere, the premier swimming equipment manufacturer for fitness and recreational swimming, aquatic exercise, and triathlons, and Michael Phelps, the most decorated swimmer of all-time, have together launched the “MP” brand.
Combining Aqua Sphere’s global product design expertise and distribution with Phelps’ experiences at the highest levels of swim performance, the MP brand features a line of technical swim products featuring proprietary technologies and performance enhancing designs for competitive swimmers.