The Kilpi men's FLOW-M vest is very light, fully openable with zip and is made of a windproof material called Siberium DWR WB, which offers maximum thermal comfort as well as breathability and water repellency. The mesh on the back ensures optimal protection against moisture during any sport. The bottom with silicone applications ensures that the vest remains in position even during movements and has perfect adhesion to the body. The reflective elements are an essential feature of this ultralight vest that is easily foldable in the back pocket and is mainly used during the race.