Alpinestars Nucleon Flex PROi Full Back Protector Insert

Upgrade your Alpinestars jacket to full-length CE Level 2 back protection that's still extremely light. The Nucleon Flex PROi Full Back Protector Insert blends Nucleon Cell and Nucleon Flex structures for the best balance of impact absorption and flexibility, and it's about 22% longer than a regular back insert for more coverage.

Note: See the Fitment tab to choose the right size for your jacket.

Key Features:

• Full-length coverage: About 22% longer than regular back protector inserts
• Hybrid design: Nucleon Cell and Nucleon Flex structures shift from center to edges to balance energy absorption and flexibility
• Lightweight: High-performance polymer keeps weight down
• Comfort: Soft 3D mesh on the body side for breathability
• Easy fit: Snap-button compatible with Alpinestars suits and jackets; made in three waist-to-shoulder lengths
• Rating: CE Level 2 back protection, tested for performance in extreme temperatures

Fits these jackets we carry (back protector pocket):

• Alpinestars Andes v4 Drystar Jacket
• Alpinestars T-SPS Air v2 Jacket
• Alpinestars ST-7 2L Gore-Tex Jacket
• Alpinestars SMX Waterproof Jacket
• Alpinestars Borrego Drystar Jacket
• Alpinestars AMT-8 Stretch Drystar XF Jacket
• Alpinestars C-1 Air Jacket
• Alpinestars SMX Air Jacket
• Alpinestars T-Stunt Air Jacket
• Alpinestars Cusco Drystar Jacket
• Alpinestars Chrome Air Sport Hoodie
• Alpinestars AST v3 Air Jacket
• Alpinestars Aeroshell Waterproof Jacket
• Alpinestars T-Dyno Air Jacket
• Alpinestars Harok Pro Drystar XF Laminated Jacket
• Alpinestars Women's Stella SMX Air Jacket
• Alpinestars Women's Stella T-SPS Air v2 Jacket
• Alpinestars Women's Stella Andes Air Drystar Jacket

Part Numbers:
Manufacturer: Small-6526323-003-S, Medium-6526323-003-M, Large-6526323-003-L
P/N: Small-2702-0287, Medium-2702-0288, Large-2702-0289