4-Way Stretch Rock Flex heavy duty outer shellCE armor in elbows and shouldersRemovable spine armorHeavy duty YKK® zippers throughoutVariable Flow™ ventilation system6-point Sure Fit™ custom adjustment system2 outside pockets, 1 internal chest pocket2 belt loops for jacket to pant attachmentRemovable insulated vest linerFront and Rear reflective stripesReflective logos WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.