The Windproof Lightweight Thermal Skull Cap is a soft, lightweight and insulating cap with a windproof front. It offers protection for the ears and forehead and fits perfectly under a helmet. Ideal for cycling, running and other activities in cold conditions.  This Skull Cap is made from a soft, brushed techno-fabric, with excellent insulating properties along with a high degree of breathability.  Its multi-panel design, flat seams and soft materials secure a perfect combination of fit and comfort.