Dror Israel's shirt (left) is taking inspiration from Hanoar Haoved Ve'Halomed Youth Movment's shirt (right). the blue that simbolies the working class is darker and the red string is replaced by a red V collar.
<a href="//commons.wikimedia.org/wiki/User:Nizzan_Cohen" title="User:Nizzan Cohen">Sonja Gershaft &amp; Nizzan Zvi Cohen </a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>