And the back of his head ain’t protected, so he’ll still bash his head on the pavement, that’s the problem with Superman saving Lois while she’s falling off a building at 5,000 mph, his arms are solid, so if she hits his arms, she will but cut into 3 pieces, unless he moves at the same speed as her causing all friction to have no affect, and then puts her in his arms and then slows down
