Don’t let the winter cold keep you from doing what you do. Knox winter skull cap’s thermal lining provides ultimate heat-retention. Its breathable fabric wicks away sweat. It's so lightweight and comfortable, you'll forget you're wearing it!

• Wear our skull cap on its own or under your helmet.
• Blocks out the chill with thermal lining that retains heat, keeping your head and ears warm.
• With 100% polyester, the 3 layer is 91% polyester and 9% spandex, this will fit comfortably.
• Thicker than a traditional skull cap, but small enough to fit under your helmet.

Material: Polar Fleece! Double layer polar fleece, headband is 3 layer, top mesh, middle windproof film and inner fleece.

• Ultimate Thermal Retention!
• Polar Fleece - No more numb frozen ears. Give them this helmet liner to keep them nice and toasty!
• Fabric: Windproof and warmth properties.
• Product Weight: 43g