The Nansen3-in-1 Jacket from Jack Wolfskin is a highly versatile layering system in one sleek package. The waterproof exterior boasts the highly protective TEXAPORE DENSUS fabric, that completely seals out damp and adverse weather conditions, whilst allowing for breathability for constant cooling. The removable inner layer is an insulated jacket that features the MICROGUARD high-loft synthetic technology. The exterior of the insulated jacket is constructed with the AIRGRID 20D material that is both highly durable and lightweight. Combine the two jackets for total weatherproof performance.