Free solo climbing
Free solo climbing, or free soloing, is a form of rock climbing where the climbers (or free soloists) climb solo (or alone) without ropes or other protective equipment, using only their climbing shoes and their climbing chalk. Free soloing is the most dangerous form of climbing, and, unlike bouldering, free soloists climb above safe heights, where a fall can be fatal. Though many climbers have free soloed climbing grades they are very comfortable on, only a tiny group free solo regularly, and at grades closer to the limit of their abilities. Some climbers' profiles have been increased by free soloing (e.g. Alex Honnold and John Bachar), but some question the ethics of this, and whether the risks they are undertaking should be encouraged and commercially rewarded. "Free solo" was originally a term of climber slang, but after the popularity of the Oscar-winning film Free Solo, Merriam-Webster officially added the word to their English dictionary in September 2019. In addition to free soloing on single-pitch and multi-pitch–including the even longer big wall climbing that features in the Free Solo film–rock climbs, free soloing is performed in a wide range of climbing types including, ice climbing and mixed climbing (which feature in