Craghoppers Women's Miska Plus II Jacket. If you're feeling spoiled for choice in the fleece department, Miska should probably be your go-to insulator - any time of the year. A classic mid layer made from our famously soft microfleece fabric, this no-fuss zip-up is ideal for extra insulation over a shirt or tee whenever you need it. If you're feeling spoiled for choice in the fleece department, Miska should probably be your go-to insulator – any time of the year. A classic mid layer made from our famously soft microfleece fabric, this no-fuss zip-up is ideal for extra insulation over a shirt or tee whenever you need it.