Abstract: A ski pants cover comprising a ski pant provided at the upper portion of the knee with a first retaining piece adapted to mount a cover at the ankle portion with likewise a second retaining piece for mounting the cover, said first retaining piece being hidden by a fly-front and the cover formed in such a manner as that a knee abutting portion, a shin abutting portion and a calf abutting portion are integrally connected each other and extendable, and characterized in that at the upper end of said knee abutting portion of said cover is provided with a third retaining piece adapted to engage the first retaining piece provided on the upper portion of the knee, and at the external ends of said shin abutting portion and said calf abutting portion of said cover are provided with fourth and fifth engaging pieces for engagement at a time when the cover is wound around the ski pant respectively and furthermore, at the ankle portion of said cover is provided with a sixth retaining piece adapted to engage the second reta