Green’s Dictionary of Slang

air Hebrews n.

also Hebrew hoppers
[? a pun on the popular make of athletic shoes, Air Jordans, and ref. to the biblical Hebrews crossing the River Jordan]

(US campus) sandals.

[US] in Current Sl. IV:3–4 (1970) 19: Hebrew hoppers, n. Sandals.
[US]Eble Campus Sl. Apr. 1: air hebrews – sandals.
[US]Eble Sl. and Sociability 16: These slang items seem just as fresh and viable as 1992’s Air Hebrews for ‘sandals’.