This Strinband holds really delivers what it promises. The material is very comfortable and the widening on both sides, there is also an easier, but perfect ear protection, which even in freezing temperatures and cold wind, for example when biking or jogging protects your ears and keeps you warm! The advantage of this headband: In spite of that it is super light, it fulfills its purpose 100%. And precisely because it is so thin, it fits easily under the helmet, for example, without having to disturb or narrow!