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

Focuses on compression by tightening the flatter areas of the body

dragon boat

Please allow slim measuring error due to manual measurement

Large (Red)

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