Cressi Big Eyes Evo / Quantum Mask Negative Optical Lens - Right Regulator Sets you can breathe easy with

you can breathe easy with a splash guard and a 100% dry top system that prevents water entry

and it looks the part too

An additional neoprene panel cushions the spine and shoulders

2 x angled high pressure ports for optimal hose routing and fitting of transmitters

Cressi Big Eyes Evo / Quantum Mask Negative Optical Lens - Right Regulator Sets you can breathe easy withThese are negative corrective lenses to fit the Cressi Quantum Mask or Cressi Big Eyes Evolution Mask. We assemble these masks free of charge. And please make sure the lenses you purchase are correct as the lenses are non refundable. If you need help with buying your prescription mask and lenses please visit our How to Buy a Prescription Mask page for help and advice including how to find your lens correction. The images shown are for illustrative