For The DonJoy Reaction Knee Undersleeve take the measurement of your thigh and calf 6″ above and below your kneecap using a flexible type tape measure. Use the circumference you measure here to choose your size.
Note: The DonJoy Reaction UnderSleeve runs small. If you measure between sizes we recommend going up one size for optimum comfort and fit
|XS/S||13.5″ – 18 .5″ (39-47 cm)|
|M||18.5″ – 21″ (47-53 cm)|
|L||21″ – 23.5″ (53-60 cm)|
|XL||23.5″ – 26.5″ (60-67 cm)|
|XXL||26.5″ – 29.5″ (67-75 cm)|