Santi BZ200 Undersuit - Mens IST Wings & Backplates The XTX40 is a highly

The XTX40 is a highly recommended primary or backup regulator

Sealed opening with double velcro closure

and accessories to suit their body shape

and lightweight titanium barrel

Santi BZ200 Undersuit - Mens IST Wings & Backplates The XTX40 is a highlySanti BZ200 Undersuit Breathable Thermal Balance The Santi BZ200 Undersuit features an insulating layer made of high class compressed Thinsulate 200. This specialised insulation absorbs less than 1% of moisture relative to its own weight. Consequently, the material retains its full insulating ability even in damp conditions. This breathable fabric guarantees a consistent thermal balance for the diver's body. When paired with a suitable base layer, it