SUBMATIX Jacket The new SUBMATIX Jacket is an ADV jacket with trim weights and a special backplate to fix the jacket to the SUBMATIX GFK case. This jacket can be used for normal tanks and for double tank-units. The following sizes are available: - size S (volume: nearly 12 litres) - size M (volume: nearly 15 litres) - size L (volume: nearly 19 litres) - size XL (volume: nearly 22 litres). At the side the jacket has 2 spacious bags and at the belly belt a small bag. The jacket is in colour black/silver available.