Materials: Upper: Leather + Textile, Lining: Fleece + Polyester, Primaloft insulation, breathable, waterproof membrane, Insole: PU + Polyester (removable), Outsole: Rubber (PowerGrip). Production: Vietnam. The Barefoot shoes perfectly mimic the sensation of walking barefoot, just as nature intended. They feature a breathable and waterproof membrane, with each pair undergoing a waterproofness test. The Barebarics PowerGrip sole has a pattern that supports your step and prevents slipping. The Primaloft technology used is the best among thermal insulation materials. The Barebarics logo is located on the shoe, the eyelets, the laces, or the sole. The pocket lining makes it easier to put on the shoes and prevents snow or dirt from entering. Unisex Barefoot shoes, even on the coldest days. For maximum comfort, we recommend pairing them with cotton socks. Benefits of Barefoot shoes: soft sole, zero heel height: heel and toes at the same level for good posture, wide toe box for your toes, lightweight shoes.