Freem® underwear kit for kartingconsists of balaclava, t-shirt and winter long sleeve t-shirt. The balaclava and the t-shirt are made of SUM-DRY technical material(it is an exclusive Freem® synthetic fabric) which is a high brathability fabric thatkeeps the skin dry.The winter long sleeve windproof t-shirt is made of an high quality fiberand it has an external membranefor wind-protection.