Mammut Tweak headband * material: 50% Merino wool, 50% acrylic * cozy inner fleece (100% recycled polyester) * wool/acrylic blend combines comfort and functionality * Merino wool without mulesing * wool with RWS animal welfare certification * weight: 47 g * Pontetorto® Tecnopile® technology - highly breathable and technical fleece, it is warm, breathable and soft. Abrasion resistance and good anti-pilling properties also make the materials very easy to maintain. * member of the Fair Wear Foundation (improving working conditions during production) * headband width is approx. 9 cm * Mammut yellow headband * Mammut functional headband * Mammut branded headband