Size numbers like “2” are not universal, so the first step is to measure your ankle according to the sizing guide provided for the Toros 414-2 and compare your result with the range for size 2. If you are between sizes, it is better to follow the guide or contact the seller rather than guess, because this brace is designed to sit close.
When you put it on, the fit should feel snug but not painful. The elastic material should follow the shape of the ankle, and the five reinforcement elements should sit around the joint in a way that feels stable. If the edge leaves deep marks quickly, the lower part feels cold, or your toes tingle, the brace is likely too tight.
If, on the other hand, the brace slides or you can easily pull it away from the skin, it may be too loose to give the intended support. A correctly fitted brace should stay in place during normal walking or activity without having to constantly adjust it.
For anyone with swelling in the ankle, the best time to measure is in the morning or after consulting a specialist, since swelling can change size during the day. If the ankle is very painful, swollen, or unstable, fit alone is not the issue to solve first — a proper assessment should come before choosing and wearing a support.