size: men's us4-12, run a bit smaller, suggest half size up.
(US4C) Wms us5=Men us4=uk3.5=EU36=JP220
(US4.5C) Wms us5.5=Men us4.5=uk4=EU36.5=JP225
(US5C) Wms us6=Men us5=uk4.5=EU37=JP230
(US5.5C) Wms us6.5=Men us5.5=uk5=EU38=JP235
(US6C) Wms us7=Men us6=uk5.5=EU38.5=JP240
(US6.5C) Wms us7.5=Men us6.5=uk6=EU39=JP245
(US7C) Men us7=Wms us8=uk6.5=EU40=JP250
(US7.5C) Men us7.5=Wms us8.5=uk7=EU40.5=JP255
(US8C) Men us8=Wms us9=uk7.5=EU41=JP260
(US8.5C) Men us8.5=Wms us9.5=uk8=EU42=JP265
(US9C) Men us9=uk8.5=EU42.5=JP270
(US9.5C) Men us9.5=uk9=EU43=JP275
(US10C) Men us10=uk9.5=EU44=JP280
(US10.5C) Men us10.5=uk10=EU44.5=JP285
(US11C) Men us11=uk10.5=EU45=JP290
(US11.5C) Men us11.5=uk11=EU46=JP295
(US12C) Men us12=uk11.5=EU46.5=JP300
(US12.5C) Men us12.5=uk12=EU47=JP305