





With 200g of PrimaLoft® Bio™ insulation, Vibram Megagrip to keep you planted on cold, wet ground, and waterproof full-grain leather, the 7" Big Sky II Mid provides the support and warmth you need. Featuring stretch panels and pull loops for easy entry.
Features

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Our proprietary insole is what we’re known for. Molded to match the specific shape and construction of every pair we make, this purpose-designed technology delivers the kind of fit, feel and performance that’s unmatched in the industry. These thermal insoles feature an insulated top sheet for warmth and a Mylar bottom sheet to reflect heat back to your foot, keeping toes nice and cozy.