and two of them are made of stainless steel. Most of the Core versions are no longer in production. There are some limited, numbered editions of Core, such as Everest Edition (8848 made, in honor of Apa Sherpa's 21 ascents on Mount Everest), Red Bull X-Alps Edition (864 made, according to the length of the race), and Extreme Edition (3000 made). Suunto celebrated its 75th anniversary by releasing Anniversary Edition (in some countries known as Alpine edition). Core All Black is often erroneously referred to as Core All Black Military or Core Military, but such nominations are not official and such "military" versions do not exist. Core is said to have named after its including core elements needed in this type of watch. Suunto Lumi is designed for women. It includes mostly same functions as Core. With special adapter, Lumi can be worn as a pendant. The Finnish word "lumi" translates as "snow". Published in 2007, Lumi was available only for a few years. Suunto Traverse was released on October 1, 2015. The watch includes ABC-functions, GPS-receiver and heart rate monitoring. It includes many of the functions of Ambit3 but however it is to be a follow-up of Vector and Core as an outdoor watch. Earlier Suunto has been using Suunto ANT and ANT+ (based on the ANT network standard) protocols in wireless transmission of data. New releases beginning from Ambit3 series are based on Bluetooth low energy. The most basic heart rate monitors have been using analog signal. Although most of the sport watches are made in Finland, some of the products are made in China by another manufacturer. These include T-series excluding T6, M-series, Quest, Lumi, Core (excluding Alpha Stealth) and most of the PODs. Since the 2010s, Suunto has been successful in its efforts to reduce production in China and increase the share of Finnish manufacturing. Lifestyle watches When publishing Kailash, Suunto also introduced their new approach, separating branches: together with Essential and Elementum, Kailash is now forming a new branch called Suunto 7R, which is a collection of lifestyle watches, while watches for sports and performing present a separate category. Suunto Kailash was published on October 14, 2015. It includes GPS-receiver but premium appear is its main feature. This product is mainly designed for travellers. Kailash is also the first product of forthcoming Suunto world series. On January 15, 2015, Suunto released Essential collection of premium