Material | 89% Polyester, 11% Spandex. Color | White. Interlock FS headband. JUNK Technical T-Shirt fabric is a breakthrough technology specifically designed to keep you cool while emulating a super comfortable t-shirt feel. This is the best athletic headband you'll ever wear! One size fits most. White on the inside. Machine washable. Lightweight, single ply. Breathable, soft & cool against the skin. Wicking to help pull sweat away from the skin & quickly dry. Made in the USA.