Your feet, in particular your heels, need to be close to the floor for optimum control and balance. This allows you to increase best volleyball shoes your body strength, and also encourage better technique.The fit of your shoes is always important however when you introduce a CrossFit workout into the mix you need to be absolutely sure that your shoe isn't going to rub against your heels on every squat or lift, as it will hinder your performance massively. 

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