Engineered with heat-regulating and water-repellent technology, this vest maintains core warmth. PrimaLoft® insulation and Nike Therma-FIT ADV technology provide advanced thermal regulation. The design features an internal pocket for compact storage. Intended for layering over a base or under an outer shell, the garment includes a bungee system at the waist and a two-way zip for fit adjustment. internal lava flow label zip pockets acg triangle carabiner acg earth bead locker loop