Materials: Upper: Textile and TPU, Lining: Fleece and synthetic wool, breathable, waterproof membrane, Primaloft. Insole: PU and polyester (removable). Sole: Rubber (PowerGrip). Production: Vietnam. Waterproof and breathable membrane (each pair undergoes a water test). The Barebarics PowerGrip sole features a pattern that supports your step and prevents slipping. The Primaloft technology used is among the best materials for thermal insulation. The Barebarics logo is stylishly placed on the boots. High-quality YKK zipper for even easier wear. The first snow boots for women from the Barebarics workshop. For maximum comfort, we recommend pairing them with cotton socks. Benefits of barefoot shoes: flexible sole, zero drop: heel and toe on the same level for good posture, wide toe box for your toes, lightweight shoes.