A quick walk in the woods? Just grab your Jack Wolfskin Womens Argon Insulated Hoody and you're good to go. This lightweight insulated jacket has a moisture-insensitive synthetic fibre fill that will keep you snug and warm. the MICROGUARD SUPERLOFT is the ideal alternative to down. It has good lofting capabilities and delivers maximum warmth at a relatively low weight.The windproof and tear resistant STORMLOCK outer fabric shuts out the cold wind and boosts the insulation performance. And the hood keeps your head nice and warm too.