Essence Wool Headband is a thin wool headband crafted for workouts and daily use during the cold season. Its lightweight, ela... Essence Wool Headband is a thin wool headband crafted for workouts and daily use during the cold season. Its lightweight, elastic merino wool fabric ensures excellent warmth and a snug fit. • Thin and soft fabric made from merino wool (95%) and elastane (5%) • Elastic single-layer fabric