Castelli Windpro Estremo Black BalaclavaThe Castelli Windpro Estremo Black Balaclava is soft and elastic. It has flat seams so that they do not disturb under the helmet. Castelli Windpro Estremo Black BalaclavaThe Castelli Windpro Estremo Black Balaclava is soft and elastic. It has flat seams so that they do not disturb under the helmet.CHARACTERISTICSHighly thermal, provides excellent breathabilityWindstopper® XFast windbreaker fabricWarmer fabric for comfort and warmthLonger part to protect the earsREF. 4515552010