HARRY POTTER: THE CHOSEN ONE? HWMF is that noise you make when you flip your hair and walk away dramatically. It also stands for High-Waisted Matte Finish....which is pretty self explanatory, yeah? Composition: 82% Polyester, 18% Elastane Washing: Machine wash cold, gentle cycle with like colours Made in: Australia These leggings are in good, used condition. Minor fraying on inner stitching of pants legs and small stain on left knee as pictured.