ALPINESTARS ZACA AIR JACKET BLACKNew inner construction for Nucleon protection insert upgrades and ready to accommodate the new long back protector insert Large 3D mesh panels with mechanical stretch 450D polyfabric frame chassis Tech Air Ready Stretch softshell inserts in key areas Detachable hood, made with air extraction channel designed to extract the air and prevent the inflation of the hood while riding Detachable 2L waterproof liner Waterproof compartment External DFS lite