The slim-fit Men's Summit FUTUREFLEECE Full Zip Hoodie features an innovative technology that uses a full-loop fabric to minimize weight and help optimize body temperature. It's designed to be worn over a base layer or under whatever insulation the mission calls for. Flat-locked stitching and no shoulder seams help maintain your comfort when wearing a pack, while a pre-tensioned hood can easily be worn under a helmet. Slim fit FUTUREFLEECE features full-loop construction and octa-yarns to provide an optimal warmth-to-weight ratio Attached hood has a pre-tensioned elastic opening for a secure fit No shoulder seams for reduced bulk and extra comfort while you're wearing a pack Underarm gussets for better mobility Reverse-coi...