Hollis M-1 Mask bongo Breathe out a sigh of

Breathe out a sigh of relief with this tough

Perfect to get your buddy's attention underwater

Should I worry about it falling off

Ultrawarmth Boots feature Ultrawarmth Omnired™ Infrared Thermal Technology embedded in the inner fabric

causing damage or injury

Hollis M-1 Mask bongo Breathe out a sigh ofVisibility 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 conditions underwater.