intended for those with overuse injuries, inflammation/swelling, tendonitis, bursitis and stiff/achy jointsasymmetrical hem lines allow for a tailored fit, uncompromised comfort and free range of motionfeatures a unique material set which combines neoprene for thermal compression and lycra for reduced weight. anti-migration technology helps to eliminate slippage; a stash pocket can hold your id, credit cards, cash or keysfit tip-take the measurement of your thigh and calf 6 inch above and below your kneecap using a flexible type tape measure. use the diameter you measure here to choose your sizenote-this product runs small. if you measure between sizes, we recommend going up one size for optimum comfort and fit. size is based on three measurements thigh, knee and calf circumference2 mm closed patellaminimum level of support