Supremely packable, light, and warm, the Dynafit M Ridge Ultralight Down Jacket is hard to leave at home when you are going to the mountains. Designed for big ski tours where weight is at a premium, it has a category-leading warmth-to-weight ratio thanks to its RDS-certified and ethically sourced 800 fill power down with a water-resistant treatment. It also features elastic cuffs, hem, and hood to seal against the cold and wind. Designed for big ski tours, the Dynafit M Ridge Ultralight Down Jacket boasts a category-leading warmth-to-weight ratio. With RDS-certified and ethically sourced 800 fill power down, it offers a water-resistant treatment to keep you warm and dry. Plus, it includes elastic cuffs, hem, and hood, providing a secure seal against the cold and wind.