unitard
A skin tight one-piece garment similar to a leotard, but with long legs and usually long sleeves, usually stopping at the wrists and ankles.
A bodystocking is a similar piece of clothing, but worn as lingerie or underwear. A catsuit is also similar, but made of thicker material.
Examples
- Danbooru post #7295645: sleeveless example
- Danbooru post #5426577: with sleeves
