Soft face is exactly what it says, it's got soft rubber faces, basically just a shrunk down rubber mallet. Use it on things you don't want to leave marks on.
Double peen is basically just a soft face except one side is like a hard epoxy like material. Harder than the rubber side, still softer than a metal head would be.
You should default to assuming anything Fox says is untrue without a second source to verify. Because legally they can just say whatever they want and aren't beholden to any type of journalistic standards because they aren't news.
They have no more credibility than a random social media user.
Boot cut means a slightly flared leg (think a very very subtle bell bottom) so that they fit over cowboy or work boots easier.
Relaxed fit means it's made a little bigger in the seat and thighs compared to the same size in a regular fit. The lines/silhouette aren't as clean/nice, but it's comfier; which is why it's called relaxed fit.
Bought a copy of The MilePost for a road trip up the Alcan last year.
Very specific, relevant information along with maps in a paper format is ideal when you're driving through remote areas with little to no cell signal.