Under Armour Men All Season Gear Lightweight Full Zip Jacket Loose: Fuller cut for complete comfort. AllSeasonGear. The upper half uses a light, rigid wind-resistant woven fabric with a breathable mesh lining for protection. The lower half uses a durable, lightweight knit fabric for greater mobility in your core. Moisture Transport System wicks sweat & dries fast. Embossed upper. Polyester. Imported.