Size: 41, Suitable for summer, spring, and autumn. You can use them for walking, running, in your daily life, travels, and at the gym. Please refer to our size chart, CM is the foot length. Note about sizes: if you have wide feet, we recommend choosing a size larger than usual. Due to manual measurement, there may be an error of +/-0.5-1 cm. Please note that the actual color of the item may vary slightly from the images due to differences in monitors and lighting.