The interactive zip system allows a Jack Wolfskin inner with a compatible zip to be zipped inside a compatible Jack Wolfskin jacket for extra warmth, and effectively allows the inner and outer items to be worn as one garment.
The products in this category all feature a compatible zip, which allows you to zip them inside a compatible Jack Wolfskin jacket. 3-in-1 jackets are ready-made packages including both an outer and an inner garment.
Please note: Jack Wolfskin produce Short, Regular, Extra-Long and Kid's zip lengths - it is advisable to match the inner & outer zip lengths to ensure compatability. Zip length (Short, Regular, XL or Kid's) is specified in each product's specifications.