How important is wearing a helmet or goggles for tree climbing?

Helmets are recommended for general climbing safety, and are especially important in group climbs where the hazard of falling branches increases with increased activity in the tree. It's not just falling branches to be wary of -- unexpected swings are also a danger. We like the Petzl Helmets, and we carry three models. Many kinds of helmets are good, including those used by cyclists, cavers and hang gliders. Some use industrial hard hats. Just as important is eye protection, since climbing loosens fine debris that can be disabling if it gets into your eyes. A wide variety of safety glasses are available at hardware stores and sporting goods suppliers. ... more