Features: Unique Design: The hexagonal three-dimensional honeycomb anti-collision design; the super elastic hexagonal foam enhances stability and disperses pressure on the calf to maintain movement flexibility. Premium Materials: Made from durable PRO functional fabric and high-quality stretch foam. The high-performance fabric provides breathability, elasticity, and durability during exercise. It helps retain warmth during runs and outdoor activities in cold weather. Multiple Uses: Suitable for outdoor sports such as running, hiking, cycling, football, tennis, basketball, and gym training. Includes shin guards and socks set. Offers additional calf and shin support for muscle stabilization. For Adults and Kids: Available in 3 sizes and 5 colors for adults, teens, and children. Please refer to the size chart in the product images for accurate measurements and select the correct size. Quality Service: We provide reliable customer service. If you have any questions, we will respond promptly. Specifications: Material: PRO Functional Fabric, Foam Color: Orange, Red, Blue, Green, Black Size Options: M, L, XL Size M: Length: 29cm (11.42 inches) Upper Opening Perimeter: 2632cm (10.2312.59 inches) Lower Opening Perimeter: 1619cm (6.297.48 inches) Size L: Length: 30cm (11.81 inches) Upper Opening Perimeter: 2834cm (11.0213.38 inches) Lower Opening Perimeter: 1821cm (7.088.26 inches) Size XL: Length: 31cm (12.20 inches) Upper Opening Perimeter: 3039cm (11.8115.35 inches) Lower Opening Perimeter: 2023cm (7.879.05 inches) Note: Please allow 12cm error due to manual measurement. Due to differences in monitor displays, the actual color may vary slightly from the image. Package Includes: 1 Pair of Shin Guards