Delivering basic insulation and high end functionality the jack wolfskin nimod is a 3 in 1 jacket for physically demanding winter activities the inner jacket is made of very breathable flex shield softshell fabric with active stretch performance and it has a microfleece reverse side that provides a basic level of heat retention the outer jacket is fully windproof and waterproof and the fabrics soft texture makes it very pleasant to wear worn on its own it works as a practical waterproof