Winter rain and snow protection the jack wolfskin northern edge is a no frills functional winter jacket it is waterproof and warmly insulated the outer fabric is an extra robust version of our texapore weather protection fabric it is so waterproof that it keeps you dry even in relentless rain and driving snowand for that all important winter warmth the jacket features our microguard synthetic fibre insulation features include three pockets and an ergonomic adjustable hood