The Kamik Simona Mid is seam-sealed and waterproof, made with genuine suede and ISA TanTec's LITE eco-friendly leather. Lace up style with waterproof, inside zipper closure. Moisture wicking lining. Removable molded EVA footbed for cushioning and comfort. Odor-eliminating, natural and non-toxic Cleansport NXT treatment. Waterproof and flexible synthetic rubber shell with BROME synthetic rubber outsole. Deep, self-cleaning tread with GripXT, for superior stability and traction in winter conditions. Comfortable down to -4F. Leather sourced from a tannery that achieved a Gold Rating from the Leather Working Group (LWG).