Textured polyester yarn: -textured using single heater and double heater methods in accordance with DIN 53840-T1 standard, -with a linear density of 83 dtex or more, but not more than 666 dtex, -with an average minimum tenacity of 32 cN/tex, -with a filament count of 36 or more, but not more than 192, -with an elongation at break of 16 % or more, but not more than 33 %, -with a boiling water shrinkage of 3 % or more, but not more than 8 %, -containing by weight 1 % or more but not more than 3 % of mineral oil, synthetic oil or mixed oils