Triple redundancy in all the essential's. That means: Multitool, lock knife & 2nd lockknife or fixed blade. A swedish firesteel, A bic lighter or two, and a sparklite or two. Head torch, hand torch and a little L.E.D. of some type around my neck on a lanyard. More than one compass is a good idea as well. Plus whatever is in my P.S.K. Weight wise, I don't personally think that is the place to skimp. Light yes, but not at the cost of performance.