Abstract: Trousers having a flexible upper part with two lower portions intending for covering the upper leg of the wearer. The trousers also include a pair of flexible lower parts each intended for encompassing a lower leg of the user. The pair of lower parts is detachably connected to the upper portion lower parts by the use of a pair of strips of pile fastening material connected to the inner surface of the lower portions of the flexible upper part, and a pair of hook fastening material strips connected to the outer surface of the pair of flexible lower parts.