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Alpinestars Nucleon Flex Pro Protection Vest

The Alpinestars Nucleon Flex Pro Protection Vest is an ultra-lightweight, Level 2 CE & UKCA certified armour system engineered for riders who demand maximum protection, ventilation and flexibility. Featuring a hybrid construction of Nucleon Cell and Nucleon Flex technologies, this vest delivers outstanding force dispersion, exceptional breathability and a highly adaptive fit. With a full-length dual-zone back protector and a divided Nucleon Flex Pro chest protector, the vest provides top-tier upper-body protection while maintaining all-day comfort.


Key Features

• Level 2 CE & UKCA certified back and chest protection
• Hybrid Nucleon Cell + Nucleon Flex construction for the perfect balance of rigidity, flexibility and breathability
• Full-length ergonomically contoured dual-zone back protector for maximum coverage
• Divided Nucleon Flex Pro Ci chest protectors for superior force dispersion and comfort
• Outer shell built from an advanced polymeric blend featuring a rigid Cell core supported by a flexible 3D Cell frame
• Hybrid protector design maximises airflow and energy absorption
• Soft-touch perforated mesh chassis holds protectors securely while ensuring maximum ventilation
• Flexible protector structure increases adaptability and free movement
• Soft body-side padding enhances breathability and next-to-skin comfort
• Adjustable elasticated waistband for a secure, personalised fit
• Engineered and certified for proven performance in extreme temperatures (T+ & T−)
• Ultra-lightweight design ideal for road, track, MX and enduro protection


Certification

Back Protector: EN 1621-2:2014 Level 2 (T+ & T−)
Divided Chest Protector: EN 1621-3:2018 Level 2 (T+ & T−)


Proudly supplied by DR MOTO — New Zealand’s trusted Alpinestars protection specialist.
Premium armour, expert advice and fast nationwide shipping to keep riders protected in every environment.