The Jack Wolfskin Women s Icy Trail 3-in-1 Gilet combines a windproof and insulated outer gilet with a smart stretchy and warm fleece inner jacket to make an incredibly versatile jacket and gilet combo ideal for wearing in different ways to keep you warm when you need to layer up This smart windproof bodywarmer has a synthetic fill which has a quilted interlining that has a down-like warmth-to-weight ratio and hollow fibres that trap even more arming air to provide extra protection and warmth to your core from the chilly cold winds It is made from a lightweight ripstop material and has active moisture management technology ideal for keeping comfortable on an active day The Icy Trail has a lovely warm fleece with it which has two-way stretch with warm reverse side and a wind-resistant exterior making this an excellent fleece jacket for wearing on its own or combining with the gilet The gilet and the fleece jacket zip together via a short system zip so you can either connect them and wear them together or wear them separately depending on the weather making this an excellent and incredibly versatile top for the all year round