The standard for sports socks is FZ/T73037-2019, "Knitted Sports Socks," issued by the Ministry of Industry and Information Technology of the People's Republic of China. It came into effect on November 1, 2019, completely replacing the older version, FZ/T73037-2010.
"Knitted Sports Socks" is the People's Republic of China textile industry standard FZ/T 73037. The currently valid version is FZ/T 73037-2019, issued on May 2, 2019, and implemented on November 1, 2019, completely replacing FZ/T 73037-2010 (which is now obsolete). This standard was submitted to the National Textile Standardization Technical Committee's Knitting Subcommittee, and the competent authority is the Ministry of Industry and Information Technology.
This standard applies to the quality assessment of knitted sports socks, but not to knitted sports socks with special requirements or socks for infants aged 36 months and under. This standard specifies the terminology and definitions, product classification, requirements, test methods, judgment rules, product instructions, packaging, transportation, and storage for knitted sports socks.
The standard references several national and industry standards, including GB/T 250, GB/T 251, GB 18401, and FZ/T 73001.
