It is really big. Notice how the people shown wearing it in still shots, also wear bulky or winter clothing. I don't see how could you wear the helmet in the su

It is really big. Notice how the people shown wearing it in still shots, also wear bulky or winter clothing. I don't see how could you wear the helmet in the summer along with a t-shirt and shorts and not look ridiculous. A backpack variant, even if larger, would be better for social acceptance.