From Fellrnr.com, Running tips
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* '''Sizes'''. The more sizes that are available, the better your chance of getting the right fit. If you have larger or smaller calves, you may be more limited in your options.
* '''Size Increments'''. A small size increment tends to imply less flexibility in the fit.
* '''Elasticity'''. The more elastic a sleeve is, the wider the range of calf and ankle sizes it will work for. Not only is it harder to get the right fit with an inflexible sleeve, changes in your muscle size will cause bigger changes in compression. ([[
Muscles]] tend to swell slightly during exercise.)
* '''Taper'''. These sleeves all taper from the top to the bottom, ideally following the shape of your calf. The taper is the ratio between the size at the top and the size at the bottom. If you have larger calf muscles with small ankles, you need a high ratio. Similarly, if you have small calf muscles or larger angles, you need a lower ratio.
* '''Thickness'''. A thinner sleeve is generally better than a thicker sleeve in warm conditions.