Motorcycle ultra-light jacket for hot weather. The upper material consists of high-strength textile fabric Cordura and mesh work for maximum aeration. The safety is ensured by a set of protectors on shoulders and elbows with optional adjusting of an ideal position thanks to bur-fasteners. The back protector is easily removable in the 3D textile pocket for better sweat dissipation. The sleeves circuits and the lower part of jacket are regulated thanks to contracting tapes. On the hips and on the back there is an inserted stretch for an ideal motion comfort when riding. The PSi logos are from reflective foil.