Both of them wore boiled leather armor, Adrin's the brown leather of the bandit from whom he took it and Jon's the black hard leather of the Gray Wolves.
Adrin's armor was guaranteed to keep him safe.
mnli hypothesis: Adrin's armor was guaranteed to keep him safe. premise: Both of them wore boiled leather armor, Adrin's the brown leather of the bandit from whom he took it and Jon's the black hard leather of the Gray Wolves.