Sure, your kids can dress up like their favorite superheroes for Halloween. But as any true pint-sized superhero will tell you, saving the world is a year-round, full-time job. Make sure your valiant tyke is dressed for the part with one of these great Little Capers tshirts, available in dozens of cool designs for boys and girls, each one featuring a brightly-colored insignia, a super-powered "belt," and (best of all) a detachable cape. Up, up, and away! $22 to $35 at LittleCapers.com.