Sizing: RSX-GNS-1.0, RSX-G, RSX-O

Insole Length	US Size	EU Size	UK Size
260 mm	6	40	5
267 mm	7	41	6
273 mm	8	42	7
280 mm	9	43	8
287 mm	10	44	9
293 mm	11	45	10
300 mm	12	46	11
307 mm	13	47	12
313 mm	14	48	13
320 mm	15	49	14
327 mm	16	50	15