Alpinestars Atem Leather Jacket The Atem Leather leather jacket offers high performance protection and styling for the street or track with technology derived from Alpinestars extensive track testing. Fully CE Certified, with premium materials and safety features for high levels of security and comfort, this jacket would be just as well suited as the top half of a two piece suit when paired with the GP Plus Leather Pants . Features 1.3 mm high-grade perforated leather construction with re-enforcements in critical impact zones External Alpinestars exclusive Dynamic Friction Shield (DFS) technology shoulder protectors Combined DFS external protection and Bio Armor inner protection on shoulders Multiple, external, perforated leather panels with foam protector inserts Removable security straps maintain the jacket position in case of a feet-first slide Aramidic stretch panel at chest Full sleeve length Aramidic stretch panel 3DTech mesh at the wrists 3DTech mesh inner liner for comfort and improved ventilation 3DTech mesh at collar Improved MotoGP profile aero hump increases airflow and aerodynamic performance D-Ring waist adjustment for precision fit Volume adjustment wrist strap Whole jacket, not just armor is CE Certified and conforms to EN 13595-1