Not every participating country will wear 4F at the Winter Olympics. Only eight delegations from Poland, Serbia, Croatia, Greece, Latvia, Slovenia, Lithuania and Portugal will wear 4F in the 2022 Beijing Winter Olympics, because 4F is the official clothing sponsor of the Olympic Committees of these eight countries/regions.

4F is a Polish sportswear company headquartered in the southern town of Villikka, founded by Igor Klaja, a Polish. 4F's business covers 27 European countries, with nearly 200 single-brand stores and more than 300 multi-brand stores in Europe, involved in fitness, yoga, cycling, skiing, swimming, hiking, outdoor and other sports.

4F has seized the Olympic bonus in recent years. In 2008, 4F officially started cooperation with the Polish Olympic Committee. The brand was selected for Vancouver Winter Olympics in 20 10, London Summer Olympics in 20 12, Sochi Winter Olympics in 20 14, European Games in Baku in 20 15, and Rio Summer Olympics in 20 16. It also provides sportswear for young Polish athletes participating in the Youth Olympic Games in Singapore and Nanjing. Since 20 10, the company has also cooperated with the Polish Paralympic Committee.

4F is the mainstream brand of European sportswear.

4F ranks among the top private enterprises in Poland 100 for three consecutive years. In Poland, one in every two skiers wears 4F clothes. Another example is Serbian tennis star Djokovic, who often wears 4F sportswear during training. It can be said that 4F is not well-known in China, but it is a veritable mainstream brand in Poland and Central and Eastern Europe.