Tech-Air Ready100% Recycled Lightweight Polyamide Ripstop (230g/m2) with 600 mm water column internal coating and external DWR3D ergonomic shape for superior freedom of movement, flexibility, and ventilationLarge mesh panels to provide airflow and coolingLarge direct ventilation opening panel on chest, arms and backLarge stretch inserts around the armpit for freedom of movement and enhanced fitThree-layer 'liner to drop' system600D Oxford polyfabric reinforcementsNucleon Flex Pro armorDetachable thermal liner 100g body/80g sleevesDrystar waterproof membrane provide both waterproofness breathabilityNew inner construction for protection insert upgrades for back (for both regular and long sizes) and chest insertsThe 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 fitNew 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