For extremely cold conditions the mitten rules and Gordini has a pair that`s built to withstand winter`s worst. Gordini`s Sleeper III Mitten gives a the warmth of down and the plush comfort of Hydrowick Microdenier all wrapped in an AquaBloc waterproof breathable insert and durable shell.FEATURES: Taffeta Ripstop Shell Dura Grip Palm Finger Area and Thumb Genuine Leather Reinforcements Naturaloft Insulating Concept: 600 Fill Power 70/30 Goose Down Hydrowick Microdenier Lining Aquabloc Waterproof Breathable Insert Gauntlet Cinch ClosureDown InsulationBy using a naturally high lofting light and resilient insulator down items are lightweight highly compressible and have a very high warmth to weight ratio.Hydrowick Microdenier LiningSuperior wicking fabric that moves perspiration and water vapor rapidly away from the skin to help manage moisture.AquablocAquabloc is Gordini`s proprietary wate