ROCKBROS Skull Cap Helmet Liner Winter Thermal Cycling Caps

360 THERMAL LOCK FOR SUBZERO GEAR Engineered with a smooth, windblocking outer shell and a deeppile thermal fleece lining. This duallayer construction traps body heat while creating a barrier against 20 mph wind chill, ensuring your head and ears stay protected during highspeed cycling or winter running in freezing conditions.UNIVERSAL CONTOURFIT STRETCH Features a highelasticity spandex blend that adapts to head circumferences from 20 to 24 without causing pressure points. The lowprofile, ergonomic stitching provides a second skin feel, making it an ideal nonslip solution for big heads, bald heads, and varied hair volumes.ANTIFOG BREATHABLE MOISTURE CONTROL Utilizing a lightweight, hydrophobic polyester weave, this skull cap rapidly moves sweat from the skin to the fabric surface for quick evaporation. This highairflow architecture prevents the sauna effect under helmets, keeping your base layer dry and reducing goggle fogging during intense climbs.INTEGRATED EYEWEAR HEADSET PORTS Precisionengineered side slots allow for the seamless insertion of cycling glasses, sunglasses, or boneconduction headsets. This dedicated glasseshole design maintains the thermal seal around your ears, preventing cold air from leaking through the templesa critical feature for winter commuters and longdistance riders.LOWPROFILE HELMET LINER COMPATIBILITY The ultrathin, streamlined silhouette is specifically designed to fit under bike, ski, or motorcycle helmets without altering safety fitment. Perfect for multisport winter utility, it provides the essential thermal base layer needed for skiing, hunting, and mountain trekking while remaining unisex MORE DETAILS asin B09GM4J3P9 bestsellersrank 18 in Mens Cycling Caps datefirstavailable September 18, 2021 department mens manufacturer ROCKBROS packagedimensions 9.06 x 5.51 x 1.18 inches 3.07 ounces