Hadar 2.5 Shell Jacket in Dark DenimExpert 2. 5 Layer Construction. You cant always predict the weather, but you can always be prepared. Thats where our Hadar Mens Jacket comes in. The 2. 5 layer fabric in this jacket, which is fully seam sealed, offers lightweight, breathable and waterproof protection, without compromising on style. The Hadar also packs down small so you can always be ready for whatever the weather throws at you.