<Ul> <Li> The median length of feet for which a shoe is suitable . For customers, this measure has the advantage of being directly related to their body measures . It applies equally to any type, form, or material of shoe . However, this measure is less popular with manufacturers, because it requires them to test carefully for each new shoe model, for which range of foot sizes it is recommendable . It puts on the manufacturer the burden of ensuring that the shoe will fit a foot of a given length . </Li> <Li> The length of the inner cavity of the shoe . This measure has the advantage that it can be measured easily on the finished product . However, it will vary with manufacturing tolerances and only gives the customer very crude information about the range of foot sizes for which the shoe is suitable . </Li> <Li> The length of the "last", the foot - shaped template over which the shoe is manufactured . This measure is the easiest one for the manufacturer to use, because it identifies only the tool used to produce the shoe . It makes no promise about manufacturing tolerances or for what size of foot the shoe is actually suitable . It leaves all responsibility and risk of choosing the correct size with the customer . Further, the last can be measured in several different ways resulting in different measurements . </Li> </Ul> <Li> The median length of feet for which a shoe is suitable . For customers, this measure has the advantage of being directly related to their body measures . It applies equally to any type, form, or material of shoe . However, this measure is less popular with manufacturers, because it requires them to test carefully for each new shoe model, for which range of foot sizes it is recommendable . It puts on the manufacturer the burden of ensuring that the shoe will fit a foot of a given length . </Li> <Li> The length of the inner cavity of the shoe . This measure has the advantage that it can be measured easily on the finished product . However, it will vary with manufacturing tolerances and only gives the customer very crude information about the range of foot sizes for which the shoe is suitable . </Li> <Li> The length of the "last", the foot - shaped template over which the shoe is manufactured . This measure is the easiest one for the manufacturer to use, because it identifies only the tool used to produce the shoe . It makes no promise about manufacturing tolerances or for what size of foot the shoe is actually suitable . It leaves all responsibility and risk of choosing the correct size with the customer . Further, the last can be measured in several different ways resulting in different measurements . </Li>

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