Norvan Insulated Hoody Men's is a lightest synthetically insulated hoody designed for mountain running and trail running, built as a superlight, packable layer that provides breathable synthetic warmth and transitional weather protection in cold conditions. Product Type: Men’s insulated jacket Material: Synthetic Fill Fortius Air 20 face fabric balances airflow with wind resistance. Mapped 40gsm Coreloft insulation focuses warmth through the core. Woven stretch mesh back increases airflow and freedom of movement. For winter runs, pair it with men's trail running shoes and a beanie . Outrun the cold. Our lightest, most packable synthetically insulated hoody provides breathable warmth and transitional weather protection for winter mountain runs. The Fortius Air 20 face fabric balances airflow with wind resistance, mapped 40gsm Coreloft insulation provides breathable core warmth, and a PFAS-free treatment repels water. Woven stretch mesh on the back elevates airflow and freedom of movement, a streamlined hood extends protection, and zippered pockets provide bounce-free storage.