Aqualung Wave + Calypso Package package-regulator-set The M4 Mask gives you

The M4 Mask gives you the best of both worlds

making them a versatile choice for enthusiasts of all levels

Stay warmer for longer and extend bottom times with even heat distribution that increases body temperature by an average of 2°C

but not with the later generation backplates

Sleek slimline low profile design

Aqualung Wave + Calypso Package package-regulator-set The M4 Mask gives youPackage includes: Aqualung Wave BCD Aqualung Calypso first stage Calypso second stage Calypso octopus SGO mini SPG Upgrades available: Upgrade to the Aqualung Titan regulator with balanced diaphragm first stage, only $140 Add an Aqualung i100 wrist computer for $360 (RRP $400)