Spandex Fiber: An Elastic Marvel - Textile Explainer

Spandex is a synthetic fiber containing a maximum of about 85% segmented polyurethane and known for its high elasticity with an elongation capacity of approximately 600%.

Spandex fiber

Textile Explainer

Why doesn't Bruce Banner wear larger more stretchable clothes so

35 Behind-The-Scenes Facts About Marvel Movie Costumes

The Molecular Marvels of Hulk and She-Hulk - ChemistryViews

Smart textiles using fluid-driven artificial muscle fibers

30 Kids Face Masks With Adjustable Straps

Flying Brick or Superpowers on SuperFemmeFantasy - DeviantArt

Spandex Fiber: An Elastic Marvel - Textile Explainer

5-pack patterned socks - Light grey/Marvel Comics - Kids