A staple to get the job done in any kind of cold weather.

 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.

O Fit Thermal Insole;

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.

Granite Peak ACT Impact Midsole;

Oboz ACT (Adaptive Cushioning Technology) Impact leverages Intelligent PU™ to create lightweight midsoles for a variety of footwear with long-lasting durability, support and rebound for optimal comfort.

PrimaLoft BIO;

200 gram PrimaLoft BIO insulation and 100 gram for Big Sky Low. PrimaLoft has set sustainability forward with the first-ever biodegradable*, 100% recycled synthetic fiber, for insulation and fabric applications.

Granite Peak Outsole;

Great for day hiking but burly enough for a multi-day backpacking trip. Our quintessential hiking bottom package is built to be supportive and protective and features Vibram® Megagrip. If you’re tired of feeling rocks and roots underfoot look no further.

Oboz B-Dry Waterproof;

 There’s no denying feet sweat and trails can get muddy. There’s also no denying the ability of our proprietary waterproofing system, B-DRY, lets sweat escape while keeping moisture out.