Rockbros MJ012 varmevest størrelse M - sortRockbros MJ012 thermal vest size M black The Rockbros MJ012 cycling vest is designed primarily as a lightweight layer of wind protection for cycling. The outer material effectively limits cold air ingress, helping maintain thermal comfort while riding in temperatures around 5 15C. At the same time, a breathable mesh panel on the back promotes ventilation and prevents overheating during exercise. The lightweight design fits snugly and doesn't restrict