Answer: stockinette

AnswerCrossword Clue
STOCKINETTEStretchy fabric
stockinetteA soft, loosely knitted stretch fabric, formerly used for making underwear and now used for cleaning, wrapping, or bandaging
stockinettean elastic knitted fabric for undergarments, etc also STOCKINET
stockinetteA knitting stitch consisting of alternate rows of knit (plain) and purl stitch