Multi-fabric shell construction with mesh panels on chest, back and sleeves for improved cooling performance, Chest pad and back compartments with PE padding (sold separately as accessory upgrade)., Multiple snap button system to integrate the Alpinestars Nucleon back protector, Bio Armor shoulder and elbow protectors, Pre-curved sleeves construction reduces riding fatigue, Low profile collar construction with microfiber comfort edging plus 3D textured fabric inner collar lining for comfort, Reflective detailing improves visibility of rider, Embroidered logo