Hello Robert Oelschlager, please simply select the 'shoes size' , and fill up your boot height in "Boot Height" (cm). And if you want to order custom size, please choose any standard size, and write down the custom size measurements in remark box in order form. n_n
*Custom size costume doesn't charge extra cost, but the processing time will be longer than standard size costumes; for this costume in custom size, we need about extra 1-2 weeks to make it (excluding the shipping time).
