Collar knitting is directly related to knitted T-shirts.
Collar knitting requires specialized machinery (flat bed collar knitting machines) which all the manufacturers of T-shirts can not afford to buy.
USA is the largest importing country with a share of 29% and a total value of $7.4 billion.
Germany is the second largest importer in this category with imports of $4.5 billion.
Japan is the third largest importer with total imports of $3.8 billion.