These are Uniqlo Heattech leggings from a few years ago. I've worn them a few times and kept them stored at home. They're made of a fairly sturdy material, so I don't think there's much sign of wear. Dark gray slim fit high-waisted leggings, made of stretchy material for a comfortable fit. - Color: Dark gray - Design: Slim fit - Waist style: High-waisted - Material: Stretchy material Thank you for looking.