[Thermal Fabric] Crafted from high-quality thermal fabric, these leg warmers provide consistent warmth, making them ideal for cold-weather activities [Skin-Friendly] Soft and skin-friendly, these leg warmers are gentle on the skin, ensuring all-day comfort [Flexible Fit] The fabric offers a snug, flexible fit that moves naturally with you, making them perfect for high-mobility sports and activities [Non-Slip Silicone Design] Each leg warmer has integrated non-slip silicone bands that keep them securely in place during intense activities like cycling, running, or sports [Windproof Protection] Windproof and cold-resistant, these leg warmers shield you from the elements, making them ideal for outdoor sports like cycling, running, and basketball Specifications: Material: thermal fabric Weight: M: about 100g, L: about 113g (1 pair) Size M: Length: 54cm, Upper Circumference: 17cm, Lower Circumference: 10cm Size L: Length: 58cm, Upper Circumference: 20cm, Lower Circumference: 11cm Note: Product sizes are all measured manually, please understand if there is any error!