What's the (standard longsword) sword's chance of going through, or tearing, leather-type armour? (think post-apocalypse gear) What types of leather armour are there? Do different melee weapons have better leather-tearing capabilities?
For that matter, how good is leather against bullets, anyway? I imagine tougher materials as plating over vital areas would be better, although there's obviously the issue of weight.
How lucky would you have to get to hit someone covered in leather-based armour, and could you put tougher stuff into the suit?
The opponents have leather + scrap metal, the heroes have I'm thinking leather + kevlar for obvious reasons when you realise the leader has lightning-producing capabilities.