Our verdict
Between the xSuit 4.0 and the Twillory Air Suit, we lean toward the xSuit 4.0 — we rated it 9/10 versus 6.8/10. Top pick in performance suits at $499 — machine washable, 8-way stretch fabric makes it ideal for travelers.
Our pick

xSuit 4.0
$599
Check priceRead our full review
Twillory Air Suit
Side by side
| Attribute | xSuit 4.0 | Twillory Air Suit |
|---|---|---|
| Our rating | 9/10 | 6.8/10 |
| Best for | Top pick in performance suits at $499 — machine washable, 8-way stretch fabric makes it ideal for travelers. | A breathable, practical summer suit, but the visible mesh reads too casual for formal business wear. |
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| Watch-outs |
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Which one is right for you?
Choose the xSuit 4.0 if…
Top pick in performance suits at $499 — machine washable, 8-way stretch fabric makes it ideal for travelers.
- Machine washable with no dry cleaning needed
- 8-way stretch fabric for superior comfort
Choose the Twillory Air Suit if…
A breathable, practical summer suit, but the visible mesh reads too casual for formal business wear.
- Lightweight, breathable fabric that keeps you cool
- Machine washable—no dry cleaning needed
Why we rate them this way
xSuit 4.0 — 9/10
Top pick in performance suits at $499 — machine washable, 8-way stretch fabric makes it ideal for travelers.
What we liked: Machine washable with no dry cleaning needed, 8-way stretch fabric for superior comfort, Wrinkle-resistant and packable for travel, Excellent value at $499 for the features, Anti-stain properties for durability.
Worth knowing: Heavier weight than some alternatives, Branded buttons may not appeal to all.
Twillory Air Suit — 6.8/10
A breathable, practical summer suit, but the visible mesh reads too casual for formal business wear.
What we liked: Lightweight, breathable fabric that keeps you cool, Machine washable—no dry cleaning needed, More comfortable and less restrictive than traditional suits, Wrinkle-resistant and requires no ironing, 4-way stretch provides freedom of movement.
Worth knowing: Mesh fabric appears too casual for formal business settings, Close-up appearance doesn't look like a proper suit, Only dark colors work well; light colors expose the mesh, Gets questioned/scrutinized in business meetings.
Common questions
Is the xSuit 4.0 or the Twillory Air Suit better?
We rated the xSuit 4.0 9/10 and the Twillory Air Suit 6.8/10, so we lean xSuit 4.0 — but it depends on what you want it for (see "which one is right for you" on the page).
How much do the xSuit 4.0 and Twillory Air Suit cost?
The xSuit 4.0 is listed at $599. We don't have a current price on file for the Twillory Air Suit — check the latest on its review page.
What's the difference between the xSuit 4.0 and the Twillory Air Suit?
Short version — xSuit 4.0: Top pick in performance suits at $499 — machine washable, 8-way stretch fabric makes it ideal for travelers. Twillory Air Suit: A breathable, practical summer suit, but the visible mesh reads too casual for formal business wear.