Hard wearing 600 denier polyester construction, with double polyurethane coating Level 1 Nucleon Flex Plus armor on shoulder and elbow 600 denier polyester internal reinforcement on shoulders and elbows Hook and loop waist and cuff with YKK zipper for secure closure Low profile collar construction with soft lining Two front zippered pockets, inner waterproof pocket and two inner liner pockets Removable thermal liner allows adjustment to weather conditions Upper side vents for optimal airflow CE Category II PPE Regulation (EU) 2016/425 —A class CE Level 2 EN1621-2:2014 Alpinestars Nucleon back protector, available as an accessory upgrade CE Level 1 EN1621-1:2012 Alpinestars Nucleon Flex Plus shoulder and elbow protectors