A lightweight three-layer windproof skull cap is crafted to be worn under protective headwear as a base layer for use in a variety of weather conditions.

Windproof - Three layer construction for warmth and windproofing Fits under helmets - Thin and light construction can be worn under protective headwear Insulation and Comfort - Micro fleece lining for warmth and moisture control Insulated - Shaped to cover and insulate ears but perforated to aid hearing