Can't tell for sure from the pic, but I'd guess that the little red and blue squares on the chest are the same rubber 'feet' that appear all over ESB props including the AT-AT helmet forehead.
They're all over the compads, headset comlink, electrobinoculars, DH17s etc...
They're all over the compads, headset comlink, electrobinoculars, DH17s etc...