The Combined Nomenclature (CN), v1:2018
6211 32 42: Men's or boy's lined tracksuit bottoms "lower parts", of cotton (not knitted or crocheted and excl. tracksuit bottoms with an outer shell of
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=97dd4f6e-1b47-43b5-8532-380d3d1b7c2f