- PRACTICAL GLASSES HOLES: Our thermal skull cap features specially designed holes on both sides, allowing you to comfortably wear riding glasses or any eyewear. This design secures your glasses, preventing slips and reducing pressure on your nose, so you can concentrate fully on your activities. - IDEAL GIFT FOR OUTDOOR ENTHUSIASTS: This skull cap is perfect for keeping your head and ears warm against cold winds, whether worn alone or under a helmet. Its lightweight design makes it suitable for various outdoor activities such as cycling, running, skiing, hiking, and motorcycling. It’s an excellent gift choice for anyone who enjoys outdoor adventures, making it perfect for birthdays or Christmas, for both men and women. - ONE SIZE FITS MOST: Designed to fit head circumferences from 20" to 24", this winter cycling cap accommodates a variety of head sizes comfortably. The warm earmuffs cover your ears entirely, offering effective protection against the cold and eliminating concerns of numbness during winter outings. - PERFORMANCE MATERIAL: Our thermal helmet liner features a smooth, wind-resistant outer layer lined with soft fleece. This combination enhances warmth and comfort, effectively retaining heat while blocking wind chill, making it an essential accessory for running or cycling in chilly weather. - USE SCENARIOS: Whether you are cycling on a brisk morning, skiing down a snowy slope, or hiking through wintry trails, this skull cap is designed to keep you warm and focused on your performance. Experience warmth, comfort, and practicality with our thermal skull cap, your reliable companion for winter activities.