Assos ij habu5 jacketthe assos ij habu5 jacket fits perfectly into the assos layering system als and has been insulated in key areas without increasing volume weight or bulk to create a fully windproof jacket that is also a supreme performer lightweight and flexibleequipped with lightweight stratagonultra airblock insulation on the front and upper arm panels cold air is prevented from entering the jacket without reducing the flexibility breathability or the assos luxury feel the temperat