Patent ID: 8123286

Claim:
A vehicle side section structure comprising a roof side section that comprises: an outer side panel member that has a length in a vehicle front-rear direction and is opened to inward of the vehicle, and that includes a pair of upper and lower flanges extending from both of vehicle up-down direction edge portions of the opening; and a roof side frame member at which an outward protruding portion having a top wall that protrudes in a vehicle outward direction and an inward protruding portion having a top wall that protrudes in a vehicle inward direction are formed between a pair of upper and lower flanges of the roof side frame member, which are joined to the pair of upper and lower flanges of the outer side panel member, wherein in a sectional view which is orthogonal to a length direction, a length of a top wall of the outward protruding portion is longer than a length of a top wall of the inward protruding portion, wherein said top wall of said outward protruding portion and said top wall of said inward protruding portion are connected by a wall portion which crosses an imaginary line IL that joins upper and lower flanges of said roof side frame member, and wherein the outward and inward protruding portions are formed on a single member.