In a surprise bear encounter, a cloud of deterrent you can deploy in a second beats anything else you’re carrying. SABRE Frontiersman is a maximum-strength bear spray with a 35-foot (11 m) range, the kind of insurance you hope never to use. Heading into bear country? Read our guides to wildlife encounters and protecting food…

The default backcountry heat pack: cheap, feather-light, air-activated warmers giving up to 10 hours of heat with nothing to charge or refill. Why they earn a place in every pack and first-aid kit.