Abstract: Designs of men's trunks for temporary residence in buildings with high temperature conditions, for example for use when visiting baths and saunas. The cooling trunks comprise a waistband and front and rear parts which are connected to one another by side stitching. The trunks have an additional panel which forms, with the front part, a cavity in the form of a pocket. The additional panel is in the form of a trapezoid, the smaller base of which is fixed in the region in which the lower stitching connecting the front and rear parts is arranged. The large surface of the trapezoid is turned towards the waistband and is provided with an elastic strip. A container with an opening for filling with coolant is arranged in the lower part of the cavity and this container is formed according to the shape of the lower part of the additional panel.