Mittens are a type of handwear designed to keep hands warm in cold weather. Unlike gloves, mittens have a single compartment for the four fingers and a separate section for the thumb. This design allows for better heat retention, as the fingers can share warmth. Mittens are often made from materials like wool, fleece, or synthetic fabrics, providing insulation and comfort. Mittens come in various styles and sizes, suitable for different activities such as skiing, snowboarding, or simply walking outside in winter. They can also feature waterproof or windproof materials to protect against harsh weather conditions. Many mittens are designed with added features like elastic cuffs or drawstrings to keep them securely on the hands.