DFS lite shoulder external protectors Nucleon Flex Plus armor New inner construction for Nucleon protection insert upgrades, ready to accommodate the new Alpinestars’ long back protector insert Waist adjusters Waterproof compartment Ergonomic design for optimal sport movement and flexibility Detachable windproof liner Dedicated female fit Strategic stretch inserts on side torso and upper back panel Mesh chassis with mechanical stretch combined with polyfabric 450D perforated in key areas including the chest panel Tech-Air® Ready