From the inside out—200g of Primaloft Bio™ insulation and B-DRY waterproofing—the Sphinx Pull-On winter boot is ready for ice-laden mountain towns. Featuring waterproof oiled nubuck, a water-resistant medial zipper, recycled components, and a Vibram Arctic Grip A.T. sole made of Vibram XS Trek.
*This style runs small. Please order up a half size.
Features
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Insoles made with Bloom Algae technology use sustainable algae biomass without compromising durability or comfort. 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.