Clean styling and weather resistant tech come together in the Adiv Mainland Zip Thru by Billabong. DWR coated cotton jersey meets fleece lining for great warmth and strong water resistance. This zip through jacket has a semi high neck, a chest pocket and two side seam pockets to stash your essentials and keep your hands warm. Part of the Adventure Division collection: Driven by the relentless pursuit for adventure & surf exploration around the world.