Racing 4 perforated leather motorcycle jacket, the Dainese sports jacket with a fitted athletic fit made from premium perforated Tutu cowhide for increased ventilation on hot days. Additional important details include the Nanofeel lining with a silver ion antibacterial treatment to optimize temperature. The fit adjustment system on the hips, the S1 bi-elastic fabric sections & the Microelastic 2.0 leather inserts on the back & arms ensure grip, flexibility & freedom of movement while maintaining standard skin protection. The Dainese Racing 4 perforated motorcycle jacket is equipped with a zipper at the hem, which allows it to be connected to motorcycle pants, & EN 1621.1-certified composite protectors at the elbows & shoulders, which are further enhanced by interchangeable external aluminum plates – a distinctive Dainese technology – designed to support & facilitate sliding in case of a fall, thus avoiding the dangerous risks of rolling on asphalt. Due to its special pockets, chest & back protectors can be inserted in the Racing 4 perforated. Features Localized perforation Breathable Nanofeel® liner with silver ion treatment Jacket-pants fastening system Microelastic 2.0 Neck adjustment Waist adjustment 2 inner pockets 2 outer pockets Reflective inserts Materials S1 bielastic fabric Tutu cowhide leather Performance Co-injected shoulder with aluminium insert Removable composite protectors certified to EN 1621.1 standard on elbows Removable composite protectors certified to EN 1621.1 standard on shoulders Replaceable aluminum plate on shoulder (1876165 kit shoulder sport aluminum) Pocket for G1 & G2 back protector Pocket for Double Chest protector