Features: Size is optional: M(CN),S(EU)=Waist 23.6-33.1 / L(CN),M(EU)=Waist 24.4-34.6 / XL(CN),L(EU)=Waist 25.2-37.0 / XXL(CN),XL(EU)=Waist 26.4-39.4 / 3XL(CN),XXL(EU)=Waist 27.6-41.7. Made of nylon spandex material, offering moisture wicking, quick drying and durability. Sponge padded cushion with good breathability for comfort. With a elastic placed in the waistband, comfortable to wear. Reflective mark on back of calf to ensure night riding safety. Three-dimensional cutting design at knees for more comfort to bend your knees when doing sports. Suitable for cycling, running, yoga, fitness, etc.