EU	US	LENGTH
Y30	Y12-12.5	20 CM
Y31	Y13-13.5	20.5 CM
Y32	1-1.5	21.1 CM
Y33	2-2.5	21.7 CM
Y34	3-3.5	22.5 CM

Fits generously in length and width, take your normal size or size half a size up if you are in between sizing. No additional insoles included.
Backless style.