The Bionic Neck Support Tech 2 is constructed from an advanced, high-performance carbon polymer compound and is designed to help prevent injury in a crash situation by dissipating and diverting impact forces away from the neck and spine. Featuring Alpinestars’ exclusive and revolutionary rear stabilizer for progressive force relief (PFR) the BNS Tech 2 is designed for use in motocross and off-road riding and offers a highly personalized and stable fit while incorporating innovative new features such as a new quick release locking system. Features: Complete new design and technical evolution including new lightweight rear section, chest padding and updated chin-plate design Structural integrity and frame strength against heavy impact energies during a crash Ultra-lightweight for comfort with not compromise to strength Resilience to low temperatures, below 0°C Designed to provide a customizable, secure and personalized fit with the SAS (Size Adapter System) The Lycra®-laminated foam padding kits are adaptable and the interchangeable EVA foam pads allow compatibility with body protection systems The lightweight Strap System can be worn over or under the jersey Innovative quick-release locking system for rapid and efficient fitting/removal offers secure and convenient closure Compressed EVA foam compound padding to distribute the impact force over the widest area, yet remain lightweight 482-6013 (LG/XL)