Designed for all-weather outdoor pursuits, the ?Viking Sky? 3-in-1 jacket from Jack Wolfskin offers durable, comfortable and versatile protection with advanced performance technologies. The coat features a dynamic layering system comprising a waterproof outer shell and a removable insulated inner jacket that can be worn together or separately to suit the climate. The outer jacket is constructed from linen-like TEXAPORE TEXAPORE TASLAN 2L and TEXAPORE RIPSTOP MELANGE 2L fabric, forming a durable and breatha..