The XC and marathon boot designed for intense winter sessions. 200g Primaloft® gold insulation ECO thermal padding derived from recycled material guarantees exceptional thermal insulation and breathability. A warm and dry foot is guaranteed, thanks to the additional lining on the tip of the foot and the new Easyfit Climaflex collar that allows for added protection and surprising mobility.Key Features:200g of Primaloft® Gold insulation.,Easyfit Climaflex collar.,Jaws Carbon reinforced sole (8 stiffness index).,Overlap construction on upper.,SLW2 closure system.,4layer insole.,360° visibility..