Alpinestars A-4 Max Roost Guard, Motocross Off-Road Chest Protector, CE-Certified

Built for riders who want dependable upper body coverage on every off road ride, the A4 Max Roost Guard delivers advanced chest and back protection in a lightweight and flexible design. Purpose built for motocross, enduro, and trail environments, it features a layered impact panel structure engineered to help absorb energy from roost, debris, and unexpected impacts. The design places emphasis on balanced front and rear protection while maintaining a streamlined profile that pairs naturally with a rider’s existing gear. Constructed with reinforced polymer shells and flexible panels, the guard balances strength with dynamic movement, allowing riders to shift, lean, and maneuver freely across technical terrain. Large ventilation zones channel airflow through the chest and back, supporting a cool and comfortable riding experience during long motos or extended trail days. The ergonomic contouring follows the body’s lines, reducing pressure points and supporting improved fit and mobility. Adjustable shoulder and side straps allow riders to create a secure, personalized fit, making the A4 Max compatible with a wide range of body shapes and layering systems. Its low profile build integrates easily under jerseys or over base layers without creating bulk or restricting movement. Smooth edges and smart shaping work seamlessly with neck supports, jackets, and hydration systems, helping the guard become part of a complete protective setup. Designed for riders who push their limits on unpredictable surfaces, the A4 Max Roost Guard provides consistent performance across varied conditions. Whether used for track training, competitive racing, or recreational trail riding, it offers a strong combination of protection, comfort, and mobility. With durable construction and a purpose driven design, it is built to help riders focus on their line and ride with confidence on every terrain.

• All-new triple layer chest protector features a highly perforated impact absorption insert for high levels of ventilation and protection; Features a new Cell Technology back protector; Removable shoulder pads for customizable use