Size Matters (And We Mean It!): Don't guess—watch our quick video for foolproof, step-by-step measuring instructions. Get the perfect fit, not a size surprise! Natural Gait - Our Winter Barefoot Boots promote a natural walking style and strengthen the muscles in your feet and legs while preventing body aches. This benefits plantar fasciitis sufferers by reducing foot aches and promoting healing. Wide Toe Box - The wide toe box combined with the flexibility of our Evian Master Winter barefoot boot allows the toes to move and spread freely, promoting foot strength and flexibility. Soft And Comfortable - The upper of Caspar Pro Boots is made of Oxford cloth, multispandex, high elastic sponge It is soft, light and comfortable that keep your feet as comfortable as being wrapped in cotton. Multi-Functional - The lightweight and breathable nature of our barefoot Boots make them an ideal choice for daily wear, providing comfort and support for a range of foot health conditions. Everyday winter shoes deform your feet and toes, which can often lead to discomfort and deformities. With the Evian Master, you not only guarantee maximum freedom of movement for your toes, but also protection for your joints thanks to a flat, optimally cushioning sole. Thus you get back the healthy & natural movement that nature intended for you.