The Womens Chilly Morning Jacket from Jack Wolfskin is the Lightest waterproof Jacket In our Winter collection.When Winter is still waitIng In the wIngs and the weather is typically autumnal, this is a great Jacket to wear. The outer fabric is Texapore, so wet and Windy autumn weather doesn't stand a chance. And the synthetic fibre Insulation Inside keeps you nice and warm, even if it gets wet.