At 9g/.32 oz, the Sun MiniComp II is a surprisingly well-featured mini-compass that takes up little space and virtually no weight. A great backup to digital technology or a lightweight backup option when you need to check direction. Don't swap out your go-to Suunto or Silva, but if the ultralight bug has bitten you, this is something to consider for quickly orienting maps or taking a bearing. When I am in the backcountry, I make it a point to have map and compass with me. I generally carry these… Full review
Sun Company makes thermometers, altimeters, and a range of outdoor accessories.