Keep your core warm with heat-regulating and water-repellent tech. This vest is designed to keep your core warm with heat-regulating and water-repellent tech. That chill in the air? Handled thanks to PrimaLoftA(R) insulation and Nike Therma-FIT ADV tech. And when you dona (TM)t need insulated warmth, the full vest packs into the internal pocket for compact storage. Insulation That Performs :PrimaLoftA(R) insulation and Nike Therma-FIT ADV work together to give you advanced heat-regulating tech that helps keep you warm in cold-weather conditions. Pack and Go :If the day warms up, stash this vest away in the packable internal pocket and use the ACG tribiner to hook it to your pack. Styled Your Way :Not too loose and not too tighta "this vest is intended to fit over a base or under an outer shell. A bungee system at the waist and a two-way zipper let you to dial in your fit. [] Product Details:Internal Lava Flow label. Zippered pockets. Bungee at hem. ACG triangle carabiner. ACG Earth bead. Locker loop. Body:100% nylon. Lining/Fill:100% polyester. Machine wash. Imported. Style: IR2350; Color: Light Silver/Summit White; Size: XL; Gender: Female; Age Group: Adult