The Nucleon Flex Pro Ci features an easy-to-use, unisex, divided CE-certified Level 2 chest protector. Highly ventilated and very lightweight, the ergo-nomically designed protectors are excellent for everyday riding.
XS-SM fits XS, SM, 42-50 Alpinestars jackets
MD-XL fits MD-4XL, 50-64 Alpinestars jackets
The Alpinestars Bionic Action Chest Protector is an ultra lightweight protection system with superior upper body protection against impacts. Cell Technology cover chest and back protectors to provide optimum ventilation throughout the race. Both front and rear hard shell plates are backed with bio foam to ensure a comfortable snug fit. Quick and easy to put on with no arm obstruction.
Protect your torso and shoulders with the Alpinestars Bionic Chest Protector. CE Level protection at the back, chest and shoulders team up with perforation zones in the shells with air channeling for breathability and ventilation. The protector plates have embedded grid technology under the shells to absorb and dissipate impact forces. Wear a neck brace? The Bionic Roost Guard is BNS compatible.
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The Nucleon KR-Ci features an easy-to-use divided chest protector insert for men, certified to prEN 1621-3:2013. It is highly ventilating, very lightweight and the ergonomically designed protector is excellent for everyday riding.
Compatible with all Alpinestars jackets and race suits equipped with chest protector pockets (most Alpinestars products). The Nucleon replaces the Bionic Chest Pad and fits any product that the Bionic Chest Pad would have fit.
An ultra-lightweight protective system offering excellent upper body protection against impacts and roost, the A-1 protector features front and rear hard shell plates backed with bio-foam padding for a secure and comfortable fit. Quick and easy to put on, the A-1 provides extended padding to protect against roost without obstructing arm movement and is fully compatible with Alpinestars Bionic Neck Supports.
The Nucleon KR-C features an easy to use chest protector certified to prEN 1621- 3:2013. The innovative harness system allows for fast connection to the Nucleon back protectors KR-1, KR-2 and KR-3. It is highly ventilated, very lightweight, and the ergonomically designed protectors are excellent for touring and sport riding in combination with the KR-1, KR-2 or KR-3.
The lightweight A-4 Chest Protector offers high levels of CE certified upper body protection and incorporates thermoformed kidney protectors. The A-4 has an innovative strap closure system for a quick and secure fit while the modular design allows the fitting of Alpinestars BNS neck supports for the ultimate in off-road protection.
Highly flexible and breathable, the Alpinestars Nucleon KR-3 Back Protector is engineered for maximum performance. Using hard shell backed with a soft viscoelastic PU foam compound, the KR3 achieves both max comfort and extraordinary impact absorption.
The KR-Cell CiR Chest Protector is Alpinestars’ highest performing impact armor for the chest. The flexible, ventilated design offers race-level performance with new levels of airflow and comfort, benefiting street and track enthusiasts alike. The KR-Cell CiR chest protector can be worn between the rider’s body and any race suit or sport jacket. Or it can be tucked into suits and jackets equipped with pockets for single-piece chest protector units. The KR-Cell CiR meets or exceeds testing standards for CE Level 2 EN 1621-3:2018 certification.