The Stella GP-R Leather Jacket is designed for a fully optimized female fit. Featuring a 1.3mm premium leather main chassis construction for high levels of abrasion resistance and durability, there is also Bio-Armor on the shoulders and elbows for superior impact protection, and Alpinestars Dynamic Friction Shield external dual density TPU on the shoulders for high levels of abrasion resistance and friction control. Boasting perforations and zippered air intakes for unsurpassed levels of ventilation, this jacket is Tech-Air® compatible. Features: Designed for an optimized female fit. Tech-Air® compatible. The Tech-Air® system is purchased separately, installs easily and does not require any external sensors to operate. Should it detect the start of a crash, it will deploy a protective airbag, providing unrivaled protection to the rider s full back, shoulders, kidney area and chest. Premium leather main chassis constructed from 1.3mm genuine bovine leather for high levels of durability and abrasion resistance. Large accordion stretch panels provide excellent movement and comfort on the bike. Power-span stretch fabric panels on sleeves further improve fit and feel. Waist adjustment for an improved riding fit. Two zippered hand pockets for real-world practicality. Pre-curved sleeve construction reduces riding fatigue in the saddle. Zippered air intakes are strategically positioned for optimized airflow when opened. Localized perforations for enhanced levels of ventilation. Chest and back compartments can accommodate the Alpinestars Nucleon chest and back pads, available as an accessory upgrade. Fixed inner liner for improved breathability. Removable thermal liner allows riders to tailor the jacket to the conditions. Inner waterproof wallet pocket for safe and secure storage of valuables. Adjustable snap button system to integrate the Alpinestars Nucleon back protector. Comfort fabric on collar. Alpinestars Bio-Armor protectors on shoulders and elbows for high levels of impact protection. Dynamic Friction Shield (DFS) external dual density TPU sliders on shoulders for high levels of abrasion resistance.