Incorporating a host of protection & performance innovations taken from premier class racing, the Atem v 4 Leather Jacket is ideal for sports riding. Constructed from premium, supple bovine leather for superior abrasion resistance, the Atem v 4 fuses class-leading GP-R armor on the shoulders & elbows for protection against impacts & extensive stretch panels on the chest, back & arms for an optimized fit. Features Premium leather main chassis constructed from 1.3mm genuine bovine leather with High Resistant Stretch Fabric (HRSF) strategically positioned for comfort Alpinestars Nucleon RR armor on shoulder & GP-R armor on elbow (Alpinestars Nucleon KR-i back protector & Nucleon KR-Ci chest protector available as an accessory upgrade) Accordion panel on shoulder & elbow with HRSF polyamide stretch material on the shoulder, inner sleeve & chest for an optimized fit & performance Velcro waist adjustment for the highest level of comfort YKK zips on front & cuff for a secure closure Low profile collar with soft edging for enhanced rider comfort Two zippered hand pockets, two lining inner pockets & an inner waterproof document pocket for safe & secure storage Extended localized perforations for enhanced ventilation Reflective insert Safety-Standards Category II PPE Regulation (EU) 2016/425 – AA class Level 2 EN1621-2:2014 Alpinestars Nucleon back protector, available as an accessory upgrade Level 1 EN1621-1:2012 Alpinestars Nucleon RR shoulder & GP-R elbow protectors