Optical Lens | Prescription Lenses for Swim Goggles Lens:-3.5 Lens the Snorkel Cardio Cap can

the Snorkel Cardio Cap can be used for hypoxic training

Please allow slim measuring error due to manual measurement

The Global Anti Goal blends cutting edge materials and production with innovative design

It easily attaches to lane ropes and is ideal for developing multiple training squads or teaching skills like tumble turns

Optical Lens | Prescription Lenses for Swim Goggles Lens:-3.5 Lens the Snorkel Cardio Cap canCustomizable optical lenses to suit individual needs. These popular optical corrective lenses are for nearsighted swimmers (myopic unable to see distance clearly) outside of the pool. Optical Lens Assemble Kit (nose bridges, head strap and clip) are sold separately. Swimmers can assemble their own custom Optical swim goggles with different strengths, per eye as needed. Two units of Optical Lens(171008) are needed to be used with the Optical Lens