Viking BLAST The BLAST men's jacket combines lightness, flexibility and optimal thermoregulation. It is ideal for variable weather conditions and ensures thermal comfort thanks to Primaloft® Silver insulation on the front and back of the jacket. The cut of the jacket ensures a perfect fit to the silhouette and its lightness guarantees comfort. The jacket is equipped with SBS zippers, which are also on the two side pockets and the one chest pocket. The jacket is made from recycled polyamide, which makes the underwear not only functional but also environmentally friendly, as confirmed by the GRS (Global Recycled Standard) certificate. Viking BLAST