Excellent stability, stops my daughters knee from dislocating.
My daughter hurt herself at school.
Hospital provided brace for an adult. It fell off after 30 mtrs of walking down to her ankle.
She is back at school and very happy.
10 more days and her fracture is healed.
Recommended for comfort and for sleeping as well. 14 inch is much better for a 10 /13 yr old girl.