Castelli Estremo Thermal Winter under helmet cap black

The Castelli Estremo Thermal Winter skull cap is a thermal accessory designed to provide warmth and comfort during winter for both men and women.This thermal skull cap stands out for its combination of technical fabrics that offer maximum warmth and effective sweat evacuation. It features Polartec® AirCore™ technology on the front to protect against wind, while the rear is made from a warmer fabric that enhances comfort and thermal insulation. Its snug fit allows it to be worn comfortably under a helmet without taking up excessive space, fully covering the ears for complete protection against the cold.Weighing only 36 grams, it is ideal for those seeking a functional and efficient accessory for winter outings. Its regular fit ensures it adapts to different head sizes and shapes, maintaining comfort during prolonged use. This skull cap is an excellent choice for cyclists and athletes who require thermal protection without sacrificing breathability.