- Size: One size • High-quality fabric: Made of high-quality polyester, soft and comfortable, absorbs sweat and moisture, is warm and wind-resistant, does not wrinkle easily, and is machine washable. • Multiple functions: Ideal for outdoor activities such as skiing, snowboarding, mountaineering, cycling, motorcycling, running, hiking, and sea fishing. It can be used all year round. • Multiple ways to wear: Can be used as an open balaclava, closed balaclava, semi-open mask, scarf, hat, neck gaiter, or airsoft mask. Choose different styles according to the scenario, it is very lightweight and practical. • Ergonomic design: The fabric adapts to the structure of the human head, the moderate size is suitable for men and women, young and old. The neck is slightly elongated to protect the nape.