Blending high performance materials with advanced construction techniques and fit, the Anti-Freeze offers adaptable cold weather protection in the mountains. Windproof Pertex Quantum offers lightweight protection whilst the ExpeDRY 800FP Goose Down pushes thermal performance to new levels. Enhanced pattern cutting improves freedom of movement, reduces cold spots and reduces weight for a truly adaptable winter layer. Montane Mens Anti Freeze Hoodie Features: PERTEX QUANTUM 20 Denier recycled nylon ripstop, Pertex Quantum textile uses a tightly woven structure to provide a light and soft downproof fabric that allows insulation to fully loft, providing both comfort and enhanced thermal performance. A PFC/PFAS Free durable water repellent (DWR) finish sheds light rain and snow to provide additional weather protection. Filled with 110g (size Medium) of 90/10 ExpeDRY goose down at 800+ fill power. ExpeDRY works through a permanent and chemical-free bonding of gold particles to the down cluster which aid in the evaporation of water molecules, causing the down to dry faster and stay dry in high humidity and extreme conditions. Dynamic Insulation Lofty synthetic insulation to retain warmth even when wet, with 4 way stretch for freedom of movement. PEAQ Lightweight recycled nylon plain woven fabric with a PFC Free (C0) DWR.