Otso's Head Tubes, weighing less than 30 grams, are the ideal accessory for any outdoor activity when temperatures drop and we want to feel protected from the cold and wind. They have multiple applications around our head and neck. They are breathable, super quick-drying, and the "tubes" are seamless. Made of 100% polyester with the OEKO-TEX certification. The polyester allows for excellent sublimation, enabling us to offer unique and attractive designs. MAIN FEATURES: * Entirely manufactured in the European Union * Thermoregulation * 100% breathable * Ultra quick-drying * 100% Polyester WASHING RECOMMENDATIONS * Wash at a maximum of 40 degrees * Can be ironed * Do not use bleach * Can be tumble dried