Models are between 5'10" - 5'11.5" and wearing an XS / S.

Item fits with double sizing:

Sizing XS / S M / L
US 0-6 8-12
UK/AU 4-8 10-16
GER 32-34 36-40
IT 38-42 44-48
FR 32-36 38-44
JPN 5-7 9-13