Hollis M-1 Mask - Clear snorkelling ensure proper blade orientation and

ensure proper blade orientation and help prevent injury in a tight rescue situation

Additional Dump Option Right shoulder pull

stronger than any other in the industry

Exclusive engineering of the dry top (patented) and an ergonomically correct mouthpiece make this the ideal for prolonged sessions in the water as it minimises jaw fatigue

Women order one size smaller

Hollis M-1 Mask - Clear snorkelling ensure proper blade orientation andNow in clear silicone! Visibility is the most important aspect of any dive. The M1 mask raises the bar for optical quality and distortion free vision. This lens is an extra clear glass which is 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 makes the lens distortion free and helps improve color and visibility in low light