MIZUNO Mizuno Breath Thermo Ear Warmer Recommended for sports such as soccer, track and field, baseball, and golf, as well as for watching winter sports and commuting! There is a slight color unevenness in the gray area, possibly from the time of purchase. There are no issues with use. Please check the photos. 《What is Breath Thermo... It is Mizuno's unique moisture-absorbing and heat-generating material that absorbs moisture generated by the body and generates heat. Not only does the fabric itself generate heat, but the puffy fabric also prevents heat from escaping, making it excellent in heat retention. In addition, it is breathable, so it is highly effective in suppressing sweat cooling.》 Size: Free Size We carefully inspect the items, but there may be some overlooked stains or loose threads. Please understand this before purchasing.