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Compare the two.
Heroic is based in NY, so don't go with the "support your local vendors" line.
I know Heroic is much more expensive, but was very impressed with the fit and features of their suits this weekend when I was at NJMP.
They can do the double zipper chest, sting ray sliders for the forearms and butt area, and tank grip pads on the inside knee area. Their suits are kangaroo leather which are much lighter than Vanson.
I mostly see Vanson suits at NHMS, but the majority I saw at NJMP was Heroic.
Only LRRS rider I know that wears Heroic is Alex G #33.