Sustainably Certified. The cozy style of the Kamik Rogue Mid winter boot makes sure you are cutting your own path down those snowy streets! Waterproof leather upper. Leather is from a tannery rated gold for its water, energy, and waste management practices. Inside zipper for easy on and off. Traditional lace-up system with woven fabric laces and sturdy metal eyelets for a secure fit. Waterproof seam-sealed construction keeps out the wet elements for a drier, more comfortable foot environment.