Promotes extra breathing workout and improves your technique. The new strap makes it even easier to wear and adjust around the head.
Now with an additional smaller mouthpiece for a better fit.
Fixed headband and centered construction for maximum stability. 2 mouthpieces to fit all swimmers and 2 small top holes for different levels of lungs work-out. One size
Composition: mouthpiece Liquid Silicone, tube PVC, strap liquid silicone.