The O’Neal UnderDog 4 Body Armor delivers robust, full‑upper‑body protection while maintaining flexibility and ventilation — ideal for motocross, off‑road, and trail riders who demand safety without sacrificing mobility. Constructed with high‑impact injection‑molded plastic and IPX‑material protection, it shields your shoulders, elbows, forearms, chest, and back with confidence.

Comfort and adaptability are built in: a removable, flexible IPX soft back protector ensures spine coverage while allowing natural movement. The armor uses extensive mesh and padded‑foam venting to stay breathable during long rides, and a adjustable, elastic kidney belt plus nine adjustment points ensure a secure, customized fit.

• Constructed with high-impact injection-molded plastic and IPX Material designed to protect your Shoulders, Elbows, forearms, chest, and back.
• The removable and flexible IPX Soft back protector guarantees not only maximum protection, but also plenty of freedom of movement.
• The extensive flexible mesh materials ensure a high level of comfort and a good ventilation.
• Adjustable and elastic kidney belt
• Extensive mesh and padded foam venting to keep cool
• 9 areas of adjustment for the perfect fit