Hollis M1 Mask offers a frameless design and distortion-free vision. The lens is ultra-clear glass valued for its attractive appearance and optical qualities.

The low iron content produces a higher light transmittance and a reduced green tint inherent in other glasses. This frees the lens distortion and helps improve colour and visibility underwater in low light conditions.

Hollis M1 Mask features

• Frameless 100% pure silicon skirt
• Saint-Gobain Diamant - Crystal Clear Lens
• Wide vision and low volume