Alpinestars Nucleon Flex PROi Full Back Protector Insert - Small, Transparent Smoke/Red - Part 6526323-003-S

The Alpinestars Nucleon Flex PROi full back protector insert is engineered to deliver superior protection and comfort for high-performance riding. Featuring hybrid technology that combines Nucleon Cell and Flex systems, this protector offers enhanced ventilation and flexibility, helping riders stay cool and agile during demanding activities. Its ergonomically contoured dual-zone outer shell ensures a snug fit while providing effective coverage in critical impact areas. The advanced polymeric blend used in the core incorporates a solid cell structure framed by a more flexible 3D cell design, delivering a balance of rigidity and mobility.
Designed with safety and comfort in mind, this protector integrates the Nucleon Flex technology layer centrally on the back zone, maximizing impact absorption in key regions. The lightweight and ventilated construction make it suitable for extended use without causing fatigue or overheating. Rigorously tested and certified for extreme temperature performance, the Nucleon Flex PROi ensures reliable protection in a variety of riding environments. Whether for motocross, off-road, or street riding, this insert provides a robust shield against impacts while maintaining a high level of comfort and flexibility, making it an essential component for serious riders seeking premium protection.

Features:

• Hybrid technology combining Nucleon Cell and Flex systems for ventilation and flexibility

• Ergonomically contoured dual-zone outer shell for a secure fit

• Advanced polymeric blend with a solid cell structure core framed by a flexible 3D cell design

• Nucleon Flex technology layer positioned centrally on the back zone for impact absorption

• Lightweight, ventilated, and ultra-comfortable construction for extended wear

• Rigorously tested and certified for extreme temperature performance

ATTRIBUTES:

BRAND: ALPINESTARS

MPN: 6526323-003-S