adidas Terrex Windweave Insulated Jacket
Designed for winter hiking, this jacket is engineered to keep your temperature regulated as you build heat on the ascent and dump heat on the way down. It's made of lightweight ripstop fabric with areas of warmth and ventilation where you need them most. Water-repellent for weather protection, it's filled with synthetic insulation for lightweight warmth. It packs down small to fit in your bag.