The THERMAL PRO HIGHLOFT men’s jacket has the highest warmth-to-weight ratio in Norrona's alpine-focused FALKETIND collection. It utilizes unique Polartec ThermalPro High Loft fabric to provide excellent warmth while keeping weight down. This fabric ensures thermal retention and moisture transportation under your hardshell. The open-knit weave also offers breathability and quick-drying properties when worn as a standalone jacket. Polartec Stretch through the side panels and underarms provide optimal flexibility and reduce bulk for periods of high-output. This amazingly comfortable zip-up layer delivers all-season insulation for mountain pursuits that range from skiing to glacier walking.