- 1.3mm full-grain leather with perforated inserts on the front, back and sleeves - External PU sliders on the shoulders - Built-in foam back padding - Lateral accordion stretch panels across the back - Longitudinal underarm aramidic stretch panels - Inner mesh lining with stretch panels inserts that work with the outer stretch zones for improved flexibility and a precise fit - Removable. adjustable CE certified Bio Armor protectors in the elbows and shoulders - Chest and back pad compartments with PE comfort padding (CE certified Bio Armor back insert and Tech Chest Guard available separately as an upgrade) - Snap connection system to integrate CE level 2 certified Bionic Race back protector - Leather neck flap with snap button closure - D-ring waist adjustment - Internal waist connection zipper allows attachment to select Alpinestars leather or textile pants - Ykk zippers