For maximum warmth and comfort outdoors. The Pine cone is one of our warmest fleece jackets. It is made from our nanuk twin loft. The structure of this fabric is similar to that of animal fur and gives you excellent insulation performance. Its wicking capability is also very good. So you can wear the jacket as part of a layering system or on its own. And will always provide functional protection against the cold. Fabric Type: Main; Fabric: NANUK 300% TWINLOFT 100% Polyester; Contrast; 1: NANUK 200 100% Polyester.