VeloChampion Thermo PRO Thermal Insulation Wind Protection Sports Beanie Tech Cycling, Running Hat Skull Cap Under Helmet Hat Fleece Lightweight, breathable and windproof skull cap which can be worn under your helmet in cold winter conditions. Enhanced thermal protection from cold wind for your head. The VC Winter Skull Cap is made of the same Thermo Fleece fabric as our winter Bib tights to help keep your head warm during cold winter rides. The ergonomic multi panel design is also extended at the back to help keep neck protected where it meets your jacket. The Thermo Fleece material also helps wick sweat away from the head essential for those dramatic changes in temperature of warm uphill climbs and freezing downhill descents The 2 top seams are also flat lock stitched to help minimise helmet rub, Reflective VC logo on side, Temperature range: 23F to 50F (-5C to +10C)