The Caliber Leather Jacket is made from durable premium leather which incorporates strategically positioned stretch zones for fit & ventilation intakes for internal air cooling. With class-leading protection & the ability to upgrade to Alpinestars Nucleon chest & back protective system, the certified Caliber Jacket is ideal for road riding. Features Durable premium leather main chassis constructed from 1.0 – 1.2 mm high grade leather. Strategically positioned stretch panels on sleeves & chest for enhanced fit & feel. Accordion leather stretch inserts on waist, elbow & rear shoulder for an enhanced range of movement. Two zippered hand pockets plus inner waterproof wallet pocket. Zippered air intake vents are strategically positioned for optimized airflow when opened. Localized perforations offer excellent ventilation & internal airflow. Low profile collar construction with microfiber comfort edging plus 3D textured fabric inner collar lining for comfort. Pre-curved sleeve...