* Highly abrasion resistant main construction from premium, 1.3mm full-grain leather for excellent comfort, fit and durability,* Alpinestars race-derived, external Dynamic Friction Shield (DFS) protectors in the elbows and shoulders feature injection-molded shells and dual density foam padding,* Removable, internal CE-certified protectors offer superior impact protection to shoulders, elbows and knees,* Snap connection system allows integration of CE level 2-certified Bionic Race Back Protector for the ultimate in protection,* Chest pad compartments with PE padding (Alpinestars Bionic chest pads available as accessory upgrade),* Replaceable Alpinestars PU Sport knee sliders incorporate Velcro® for customized and secure fitment,* Advanced microfiber accordion stretch inserts in key articulation areas on the back and elbows for excellent racing fit,* Extensive advanced microfiber stretch panels on crotch, underarms, calf and back of the knees for range of movement,* Integrated PE comfort padding on the chest, torso, coccyx and back further enhances fit and comfort while riding,* High-density perforations on chest, arm and leg offer airflow and help regulate body temperature,* 3D mesh sleeve and ankle comfort cuff edging for breathability; cuffs incorporate zip closures for secure and customizable fit,* Soft, 3D mesh and leather collar construction for excellent levels of breathability and comfort,* Moto GP profile, perforated, back hump for improved aerodynamic and ventilation performance,* Alpinestars-developed accordion leather back panel and knee inserts for superior comfort in riding position,* Multi-panel lining incorporates 3D mesh and stretch inserts to improve comfort, performance fit and ventilation; liner is removable and can be washed,* Zippered rear calf expansion gusset improves range of fit comfort,* Rear reflective detailing for improved rider visibility,* Premium YKK fasteners and semi-auto locking zips used throughout garment,* Internal water-resistant wallet pocket.