Amundsen 5Mila Knitted Vest is a sleeveless merino-wool blend midlayer from Amundsen designed for high‑intensity winter activities. Its strategic 5MILA mesh on the back provides targeted ventilation to keep you comfortable during running, trekking and cross‑country skiing. Key attributes: Beige | Oatmeal | Merino wool blend | Breathable back mesh for ventilation | Natural insulation and temperature regulation | Engineered for high‑intensity winter sports | Hand pockets | Back mesh ventilation | Sleeveless cut | Knit construction | Strategic mesh panel on back