The Northfinder ALDENY is insulated with PrimaLoft Eco Black to keep you warm during winter activities. Primaloft is a high-performance thermal insulation with properties reminding feathers. The material maintains the heat inside and blocks out the cold. In the comparison with feathers, this insulation maintains its volume and its properties are long-lasting. The fibres dry fast and do not require special care. The jacket feature a Recco® System - rescue system that helps rescuers to find hikers who get lost or injured. Suitable for various ski activities.