Questions about Compressport Full Legs 21

According to the information available on the Compressport website, sizes 3 and 4 should correspond to : T3 CM (THIGH): 55-70 T3 CM (CALF): 38-42 T4 CM (THIGH): 60-75 T4 CM (CALF) : 42-46

Here we are talking about size 4, thigh size 60-75 cm and calf size 42-46 cm. We also offer size 3, thigh circumference 55-70 cm and calf circumference 38-42 cm. Compressport Full Legs 21 (3)