Chimney 4F U069 Properties: The 4F neck warmer is a practical accessory for both boys and girls who want to continue their everyday and sporting activities during the transitional period and winter. Size range: universal (one size) Warm microfleece lining Made of synthetic material for durability and easy care Uniform colors to match many styles Protects against cold, wind, and dust Can be worn two ways: as a half balaclava or a neck warmer Adjustment with an adjustable drawstring with a toggle Lightweight and packable Material: 100% polyester