I thought there was a distinct lack of shields in the Stark army on the whole,
Yeah they did seem a bit exposed to all those arrows.
I get that they are meant to be a ragtag group but back when the Wildlings attacked Castle Black they at least had shields.
And blimmin mammoths!
also could they have armored/armed the giant somehow?
Just think how thick his plate armour could have been. Arrows and swords would have just bounced off.
And if he’d had a massive bow like the one at Castle Black he could have made a right mess of the Bolton ranks while they were still well out of range. He might even have saved Rickon.