Castelli Pro Thermal Cycling Skully Beanie - Red

Made for warmth with excellent wicking while minimizing bulk under your helmet. This simple helmet liner has a raw-cut edge so it doesn't interfere with the straps or helmet cage, while the Thermoflex fabric is surprisingly warm and wicks away moisture.
Features:

• Thermoflex is warm, soft and stretchy
• Flat-lock stitching
• Contoured to cover ears
• Raw-cut edge lies flat and doesn't bunch under helmet
• Reflective detailing on back