... , FDY 150/96: PTT FILAMENT YARN (SOVIRE MADE WITH BIO-BASED DUPONT SORONA POLYMER)1. REGULAR TYPEFDY50D/36F ... TYPEDEODORIZATION, MOISTURE ABSORPTION, RESTRAINED BACTERIA, FAR INFRARED RAY AND NEGATIVE ION FUNCTION 1) PTT BAMBOO CHARCOAL PTT SEMI-GREY COLOURDTY75D/48F ... CROSS-SECTION PTT: PENTALOBAL, TRILOBAL, STRAIGHT-LINE SHAPE, WITH SPECIAL LUSTER, ULTRA-SOFT HAND FEELING AND GOOD DRAPE.FDY50D ...