- Size: 39 • Winter barefoot shoes with high-quality synthetic fur lining, providing excellent thermal performance and keeping feet warm even in cold conditions • Extra wide toe box, allowing freedom of movement, mimicking the sensation of walking barefoot and helping to strengthen foot muscles, balance, and posture • Zero drop sole that equalizes the height between the front and the heel, improving balance and training foot muscles • Includes a thicker, removable lined insole for those who prefer extra comfort • Non-slip rubber sole with grooves from different angles, increasing safety and efficiency in daily activities • Suitable for various autumn and winter activities such as walks, fitness, urban hikes, and travel