Twin lens crystal silicone mask with removable tempered glass lenses, suitable for the fitting of Prescription lenses.
Lens may be rotated to suit either left or right hand side of the IST M-200 Mask. Spherical correction ensures a clear & concise appreciation of the underwater world. Available from -1.0 to -9.0 in 0.5 increments. Not suitable for bifocal or cylindrical prescriptions. It is recommended that you seek the advice of a qualified optician.