The OTSO headband is one of the most functional, practical and innovative on the market, mixing unique and exclusive designs with the best technology. Perfect thermoregulation that keeps the head and forehead always cool and sweat-free, 100% breathable, its fabric is a fine blend of lycrasport and polyester, perfect combination to ensure maximum ventilation and moisture transport from the inside out. MAIN FEATURES Made entirely in the European Union Thermoregulation 100% Breathable Sweat transport ventilation 85% Polyester, 15% Lycrasport WASHING RECOMMENDATIONS Wash at 40 degrees Max Can be ironed Do not use bleach Do not use dryer