Alpinestars Bionic Action Youth Chest Protector 4S1 Track System comfort and features you need

comfort and features you need to ride

Get ready to experience motocross in a new light with ARmatic-the perfect blend of precision

constructed from 100% recycled polyester (or blends with Cordura® sleeves in some variants) featuring mountain bike-specific tailoring and a drop-tail hem for full coverage on descents

The jersey is equipped with **strategically placed stretch-mesh ventilation** and **laser-cut perforations** in key areas to optimize airflow

All‑new closable venting system: chin bar and brow vents with hidden slider control plus rear exhaust

Alpinestars Bionic Action Youth Chest Protector 4S1 Track System comfort and features you needAn ultra lightweight protective system offering excellent upper body protection, this protector features an all new chest protector complete with Cell Technology for ultra light weight and optimum ventilation. The back protector is also new and boasts a softer formulation for an enhanced adaptive fit. Both the front and rear hard shell plates are backed with a bio foam padding for a secure and comfortable snug fit. Quick and extremely easy to put on,