As a member of the Legion of Super-Heroes, Thom has a Legion Flight Ring allowing him to fly and (in the "Threeboot" incarnation of the series) protecting him from space and other dangerous environments.
As a member of the Legion of Super-Heroes he is provided a Legion Flight Ring. It allows him to fly and, in the "Threeboot" incarnation of the series, protects him from the vacuum of space and other dangerous environments.