The Alpinestars Nucleon Flex Pro Protection Vest is an extremely lightweight Level 2 CE and UKCA Nucleon Flex Pro Protection Vest.High performance polymeric material Cell and Nucleon Flex structuresDesigned for advanced energy absorption, adaptivity, maximum breathability and air flowSoft comfortable padding on the body sideAdjustable elasticated waist bandBack Protector: EN 1621-2:2014 Level 2 (T+ & T-)Divided Chest Protector: EN 1621-3:2018 Level 2 (T+ & T-)The Alpinestars Nucleon Flex Pro Protection Vest is made from a high performance polymeric material Cell and Nucleon Flex structures for an optimised flexibility and excellent weight saving properties. The design of the back protector changes from the centre towards the outside which provides the perfect balance between energy absorption and flexibility. The chest protectors microstructure is made with a unique Nucleon Flex Pro for an advanced energy absorption adaptivity, maximum breathability and also air flow. This vest has sof