Find your rhythm in our Montana insulated Jacket The Montana is a recycled 200g insulated jacket, making it the perfect piece to keep you warm in the cooler months As a rule of thumb, jackets with 100-200g of insulation are ideal for colder conditions and 50g-100g of insulation is a good choice for Spring or Autumn, or as a technical mid-layer Good to note - synthetic insulation is measured in grams per square metre, not to be confused with the weight of the whole jacket Detachable hood Stand collar with branded zipper Ribbed cuffs