After being in the works for three years, the ASSOS masterpiece created for the coldest riding conditions is finally being released!Anatomically tailored according to the ASSOS Advanced Ergonomic Pattern Design AEPD philosophy and crafted from the exclusive ASSOS airBlock 851 fabric. Pursued and achieved goals: minimal volume, maximum insulation, total freedom of movement and auto regulative body temperature environment. ASSOS is especially happy with the new innovative inner collar construction body contoured shaped neck and upper chest insulating composition. No chilly wind entering your jacket from above, super comfortable to endorse, no pressure at all, full protection. Made for people who dont take sorry, its impossible for an answer. To be worn in temperatures ranging from 4 to 7 degrees Celsius. Underneath fuguJack, all you need to wear is powerStatic Plus or SL in combination with airBlock.LL 851 or airPlus.LL tights. In extreme conditions, wear a climaJet shell on top during the first half an hour of your ride.