Anatomically optimized and incorporating class-leading protective features into a multi-material chassis, the SP-X Jacket has extensive stretch panels for a close, sport riding fit while offering high levels of upper body mobility regardless of the riding position. Perforation zones and zippered air intakes on the torso provide internal airflow while a removable thermal liner means this certified jacket can be worn in cooler climates. Construction Main chassis multi-material, multi-panel construction featuring 1.3 mm high grade bovine leather and highly abrasion stretch fabric Extensive stretch fabric panels on sleeves and chest further improve fit and upper body movement D-ring and hook and loop grip waist adjustment for personalized riding fit and safe closure Two front zippered hand pockets plus inner waterproof wallet pocket Zippered air intake vents are positioned for optimized airflow adjustable to a rider’s personal tastes Strategically positioned localized perforations for excellent ventilation and internal airflow Low profile collar construction with microfiber comfort edging plus 3D textured fabric inner collar lining for comfort Pre-curved sleeve construction reduces fatigue when riding and improves comfort Protection Chest pad and back compartments with PE padding (Alpinestars Nucleon chest and back inserts available as accessory upgrade) Multiple snap button system to integrate the Level 2 certified Alpinestars Nucleon back protector Internal certified Bio-Armor shoulder and elbow protectors Newly developed shoulder protection features over-molded advanced TPU guard layered under the outer fabric for optimized levels of protection and comfort This garment is certified 89/686/EEC Features Removable thermal liner (80g on body, 60 on sleeves) means jacket can be worn in cooler climates Soft, microfiber comfort edge on collar and cuffs Internal waist connection zipper allows attachment to Alpinestars riding pants Reflective detailing improves visibility of rider