Exodus 28:31

^28:27Καὶ ποιήσεις ὑποδύτην ποδήρη ὅλον ὑακίνθινον.

^28:27 And you shall make a full-length undergarment entirely blue.

ועשׂית את־מעיל האפוד כליל תכלת׃

*   full-length undergarment, i.e. reaching to the feet