A sunshade system of vehicle roof includes a sunshade formed from a fabric material including a plurality of pleats arranged across a lateral sunshade width and extending along a sunshade length. At least one sunshade guide extends along a length of the sunshade and retains a lateral width edge of the fabric material, and guides the sunshade along a path between a stowed position and an extended position. The sunshade has a variable sunshade width along the sunshade length in the extended position by expansion and relaxation of the plurality of pleats.