Size: S ( Suitable for leg circumference 50-55cm/19.69-21.65in. L ( Suitable for leg circumference 60-68cm/23.62-26.77in. M ( Suitable for leg circumference 55-60cm/21.65-23.62in. Top choice of anti chafing bands everywhere, available in 2 colors, giving you an option for every situation or fashion need. ).