The SP-55 Leather Jacket boasts a classic design with a sporty fit to create a stylish urban jacket. Constructed from 1.1mm premium soft bovine leather for the perfect blend of comfort and abrasion resistance, the SP-55 has Bio-Armor on the shoulders for impact protection and GP-R protectors on the elbows for abrasion resistance, while the High Resistant Stretch Fiber panels under the arms and on the sleeves ensure high levels of move-ment and an improved fit. There are also large perforated leather panels for maximum airflow and breathability, and a removable windbreaker liner which allows the jacket to be adapted to the weather conditions. Features: Premium leather main chassis constructed from soft 1.1mm bovine leather for enhanced rider comfort. Large perforated leather panels for maximum breathability. High Resistant Stretch Fiber (HRSF) panels on armpit and sleeve to further improve fit and feel. Snap buttons waist and cuff adjustment for an improved riding fit. Two zippered hand pockets for real-world practicality. Embossed logos on front, back and shoulders. Low profile collar construction with padded edging for high levels of rider comfort. Pre-curved sleeve construction for reduced fatigue when riding. Removable windbreaker liner allows the jacket to be adapted to the weather conditions. Chest and back compartments can accommodate the Alpinestars Nucleon chest and back inserts, available as accessory upgrade. Zipper waist connection allows attachment to Alpinestars riding pants. Alpinestars Bio-Armor protection on shoulders and GP-R protection on elbows for high levels of impact protection.