Santi Extreme BZ420X

Introducing the BZ420X, the latest evolution of our best-selling BZ400X undersuit, now even warmer and more advanced! Building on the success of the BZ400X, this new version is designed to offer even better insulation for the coldest diving conditions.

Spec details

• Upgraded Insulation
• Thicker polar fleece
• Reinforced design
• Modernized aesthetics
• Two side pockets
• One inside pocket on the left chest
• Reflective tapes
• Rubber thumb loops, that supply air to dry gloves
• Elegant and comfort collar
• Two-way zip
• In waist-elastic gusset
• Shoulder and knee gussets allowing free movement
• Grey inside suspenders
• Wide (10 cm) elastic bands at the ankle to prevent the legs from riding up when putting on the drysuit
• Specially designed 2 p-valves and 1 heating openings
• Weight: 2,1 kg (men's L)

More specifications:

• Material: Thinsulate™ BZ400 by 3M Insulation / Thermo Pile / Contrast material
• Water temperature: 0–17°C (comfy for 1,5 hour)
• Warmth: 1,80 CLO
• Total weight [L]: 2,1 kg
• Grammage: 420g/m2 / 220g/m2 / 196g/m2
• Available sizes: XS,S,SL,M,ML,MLL,LS,L,LL,LLL,XLS,XL,XLL,XXLS,XXL,XXXL