The subject of the invention is interactive male underwear, intended to control the temperature of the surface of the skin of the male testicles, wherein reducing the temperature of the surface of the skin of the male testicles contributes to the treatment of male infertility in particular such as oligospermia, aspermia, asthenospermia, azoospermia, nekrospermia, normospermia and teratospermia. The male underwear comprises bearing element (EN) connected with the belt (LK) using connectors (LK), however at least one Peltier cell (8) of the skin temperature control system (UC) is mounted on a bearing element (EN). The bearing element (EN) is made of woven belt narrowed at the bottom in the capital “U” letter shape, however the upper part of the bearing element (EN) is connected directly with the belt (PA), and the D lower part is connected with the belt (PA) using connectors (LK).
