•Understand the size of the gloves: The size of boxing gloves is usually measured in ounces (Oz) . One ounce is approximately equal to 28.35 grams. Common glove weights include 8 oz, 10 oz, 12 oz,14oz and 16 oz, etc.Determine the purpose of use: The size of the gloves should be chosen based on your intended use. For example, if you are participating in a boxing match, lighter 8oz or 10oz gloves are usually chosen; if you are training or practicing on a punching bag, it is recommended to choose 12oz or 14oz gloves to provide better protection.