For versatile lightweight warmth in mild to severe cold. THERMARATOR INSULATION: For cold conditions requiring lightweight warmth. Performance synthetic that looks and feels like down with a high warmth-to-weight ratio that’s made from ultra-fine fibers that trap warmth even when wet WATER RESISTANT SHELL: Crafted of a tough water-resistant Storm-Lite DP shell, this jewel of a jacket is loaded with storm-fighting power WARM ON THE RUN: The lightweight insulating technology makes this jacket a great mid layer to give him extra warmth without adding weight