Advanced trekking trousers.Smart gaiter function.Made from stretch fabric, G-1000 Eco and G-1000 HD.Optimised fit.Ventilation and pockets. PFC-free-impregnation, Greenland Wax - easy to use G-1000 impregnation. Fjallraven (Swedish for Arctic fox) is a Swedish company specialising in outdoor equipment - mostly clothing and rucksacks. Fjallraven was founded in 1960 by Ake Nordin (1936-2013). The original product was an external frame rucksack. The Fjallraven rucksack proved comfortable, durable, and, along with outdoor clothing made from tent fabric, it made the brand well known in just a decade. Material: Recycled Polyester, Organic Cotton, Polyamide, Elastane.