H ere at Backpacker, hand warmers have a fan club. When I polled my colleagues and other staffers from Outside about their favorite pieces of gear for winter hiking and camping, t ...

Tip: If using plaid flannel, follow the lines in the pattern for ... Yes, reusable hand warmers are safe when used as directed. Avoid overheating them in the microwave, and make they don't come ...

To make a safe ... on the other hand, all involve very fast and extremely exothermic chemical reactions. The first 'reaction' that we tried for our hand warmer involved dissolving potassium ...