From Longman Dictionary of Contemporary Englishstretchystretch‧y /ˈstretʃi/ adjective informal LOOSEBIGmaterial that is stretchy can stretch when you pull it and then return to its original shape stretchy cotton leggings
Examples from the Corpus
stretchy• She felt it and discovered that it was very soft and stretchy.• The finished dough should be tacky but not sticky, lightly golden, stretchy and elastic rather than porridge like.• Outfits consisted of tight, bright, stretchy and striped separates, and catsuits with zippered hoods, elbow and knee compartments.• New concepts Playtex Super Look Secrets bodyshaper offers all the control of a corset in a soft, stretchy fabric.• a stretchy spandex tube top 