Build leg strength and endurance with Sportneer curved ankle weights, designed specifically for a comfortable, supportive fit around the ankle-featuring an innovative ergonomic structure that is patented. Available in a lightweight 0.5 lb per ankle (1 lb per pair), these weights are perfect for kids and adults alike. The double-layer fabric system enhances durability while preventing sand leakage, ensuring long-lasting performance. Soft, delicate fillers provide comfort during exercise for lightweight models, while higher-weight versions use high-quality pure iron ball filling for added resistance. Ideal for walking, running, aerobics, dancing, gymnastics, home gyms, and physical therapy, these weights help boost leg strength and endurance. The stylish, color-matched design and adjustable wide Velcro strap offer a secure, customizable fit for various activities.