Crocs Size	UK Size	EU Sizes	JP Size	Vietnam Size	Chiều dài chân (mm)
M3 | W5		34-35	21	35	213 - 221
M4 | W6	M3 | W4	36-37	22	36	229
M5 | W7	M4 | W5	37-38	23	37	238
M6 | W8	M5 | W6	38-39	24	38-39	246
M7 | W9	M6 | W7	39-40	25	40-41	255
M8 | W10	M7 | W8	41-42	26	42	263
M9 | W11	M8 | W9	42-43	27	43	272
M10 | W12	M9 | W10	43-44	28	44	279
11	10	45-46	29	45	280
12	11	46-47	30	46	288
13	12	48-49	31	N/A	297
14	13	49-50	N/A	N/A	305
15	14	50-51	N/A	N/A	314
16	15	51-52	N/A	N/A	323
17	16	52-53	N/A	N/A	331