The Ulle Original Slipper The Ulle Original is a classic slipper crafted from 100% pure new wool, featuring a built-up insole and a non-slip sole for added safety and comfort. Key Features: 100% Natural Material: Made from pure new wool, ensuring quality and sustainability. Orthopedic Constructed Sole: Provides excellent support for the heel and foot, adapting to your shape. Comfortable Fit: Designed to mold to your foot over time for personalized comfort. Anti-Slip Function: The non-slip sole enhances stability on various surfaces. Sizing Tips: For the best fit, please refer to the size chart. Note that Ulle slippers run slightly smaller, so it is advisable to choose one size larger. The slippers will quickly conform to the shape of your feet, but starting with a larger size will ensure comfort. Why Choose Wool? Wool is an exceptional natural material with remarkable properties: Ventilation: Helps regulate body temperature, keeping you comfortable. Insulation: Keeps you warm in cold conditions while remaining breathable. Moisture Absorption: Prevents sweating, allowing for a fresh experience. Antibacterial & Dirt-Repellent: Naturally self-cleaning, reducing the need for frequent washing. Experience the comfort and benefits of the Ulle Original slipper, perfect for cozy indoor wear.