[Package Include] You will receive 1 pair of thickened fleece-lined knee pads. The soft fleece lining provides protection during falls to help prevent knee injuries and keeps your knees warm in cold weather. [Humanized Design] The support sleeves are ergonomically designed with adjustable fastening straps for easy wear and removal, allowing freedom of movement. The thick padded design offers gentle support for weak, injured, or arthritic knees. Lightweight and comfortable, it helps support blood circulation without applying excessive compression to the legs. [Comfortable Material] These knee joint brace support pads are made of high-quality spandex, nylon, and wool, which are skin-friendly, washable, and breathable. The soft and durable fabric provides necessary heat retention to keep your knees warm in cold weather, ensuring long-term use. [Wide Application] These knee warmers are effective for various sports and physical activities, especially beneficial in winter for elderly individuals experiencing osteoarthritis, arthritis, or joint pain. They are also suitable for outdoor cold-weather activities such as volleyball, baseball, rugby, skiing, cycling, motorcycling, snowboarding, snowmobiling, ice skating, camping, hiking, climbing, hunting, fishing, running, dancing, yoga, gym workouts, training exercises, and morning exercises. [Warm-hearted Present] These thermal leg compression sleeves make a thoughtful gift for parents during cold winter months, providing warmth and comfort. Size Guide: M: Outer length - 35cm, leg circumference - 35-40cm, weight range - 35 to 60kg L: Outer length - 35cm, leg circumference - 40-45cm, weight range - 60-75kg XL: Outer length - 35cm, leg circumference - 45-60cm, weight range - 75 to 100kg Note: Due to manual measurement, please allow 1-3cm variation.