Specification: Please choose the size based on foot length. Size 40-41 = Foot length 23.5 cm = Inner shoe length 24 cm Size 42-43=Foot length 24.5 cm=inner shoe length 25 cm Size 44-45=Foot length 25.5 cm=inner shoe length 26 cm The size is small for Asian sizes, it is recommended to choose 1-2 sizes larger when purchasing. 2.For your comfort when wearing, please choose the size according to the foot length data. Stand straight, the length of the toes and the heel is the foot length. 3.The length of the left and right feet will be slightly different, please take the larger measurement. 4. If the feet are thick and wide, it is recommended to choose one size larger. 5. The length marked on the sole should not be used as a reference. Please follow the foot length as the selection criterion. The length of the sole cannot represent the length of the foot. 6. Due to the difference between different monitors, the picture may not reflect the actual color of the item. there may be an error of 1cm. Please refer to the received product as the standard.