The Sensor TUBE MERINO AIR multifunctional scarf is made of high-quality merino wool which is warm even when it is damp. The scarf can be folded into a cap, a classic neck scarf, a sweatband on the arm, etc. The scarf is ideal under a bicycle helmet, skis, or as effective protection from the sun during your alpine hikes. This Sensor scarf will soon become an essential accessory for your sporting activities.