One-Piece Workout Clothes: Unitard, Jumpsuit & More
What do you call one piece workout clothes?
One piece workout clothes are most commonly called a unitard or a workout jumpsuit. You may also hear one-piece activewear, catsuit, romper, or bodysuit, depending on the cut and coverage.
Common names you’ll see (and what they usually mean)
Unitard: A true one-piece training outfit that combines a top and shorts or leggings into one garment. It’s designed for movement (think studio workouts, dance-inspired training, Pilates, yoga, and stretching).
Workout jumpsuit: Often used interchangeably with “unitard,” but many shoppers use “jumpsuit” for sleeker, fashion-forward one-pieces that still perform in the gym.
Catsuit: A more form-fitting term that usually implies full-length legs and a streamlined silhouette. Great when you want a compressive, held-in feel.
Romper: Typically a one-piece with shorts instead of full leggings. This is popular for warm-weather training, indoor cycling, and lighter sessions.
Bodysuit: Usually refers to a one-piece top that snaps at the bottom; in activewear, it can describe one-piece tops that pair with separate leggings, but some brands use it loosely for fitted one-pieces.
How our team helps you choose the right term (and the right piece)
If you want a single garment that stays put through squats, lunges, and stretching, search “unitard” or “workout jumpsuit.” If you prefer shorts, use “romper.” If you want maximum streamlined coverage and a sleek gym-to-errands look, “catsuit” is the term that tends to match full-length, body-hugging styles.
Also consider support: many one-pieces have built-in shelf support, but if you need higher impact stability, choose styles with wider straps, a more secure neckline, and a snug underbust band so you feel locked in during jumps and runs.
If you’re also comparing one-piece options to coordinated sets, we break down how matching layers work together here: https://ethanial.com/guide-3-piece-womens-workout-set-jacket-bra-high-waist-leggings/.
FAQ
What’s the difference between a unitard and a jumpsuit for workouts?
“Unitard” usually implies a performance-focused one-piece meant for training and mobility. “Workout jumpsuit” is often used for similar pieces, but the term can also include more style-driven designs that still function for exercise.
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