Tech-Air? Ready, 100% Recycled Lightweight Polyamide Ripstop (230g/m2) with 600 mm water column internal coating and external DWR, 3D ergonomic shape for superior freedom of movement, flexibility, and ventilation, Large mesh panels to provide airflow and cooling, Large direct ventilation opening panel on chest, arms and back, Large stretch inserts around the armpit for freedom of movement and enhanced fit, Three-layer *liner to drop* system, 600D Oxford polyfabric reinforcements, Nucleon Flex Pro armor, Detachable thermal liner 100g body/80g sleeves, Drystar? waterproof membrane provide both waterproofness breathability, New inner construction for protection insert upgrades for back (for both regular and long sizes) and chest inserts, The jacket comes with 2 front zippered pockets, two chest pockets, an inner waterproof document pocket, and two inner pockets on the liner for safe and secure storage of valuables and a lower hem shock cord for an optimized fit, New collar closure with adjustable self-centering snap, double sided to keep it secured when opened or closed, and easy to adjust even with gloves on