stretchy
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 leggingsExamples from the Corpusstretchy• 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.• a stretchy spandex tube top