tomboyx | Premium Underwear for All Day Comfort. Fit for You.

4.5" Trunks 3-Pack

4.5" Trunks 3-Pack - Main image
$63.9 $90 In stock

Category: multipacks

You’ve never seen a trunk like this - the first and the best gender-neutral classic just for you. Somewhere between a short and a brief, our 4.5” trunks are everything you need. Made with supersoft cotton blend that gives just a hint of stretch and makes sure you stay comfy, while our signature stay-put waistband keeps it together without pinching or riding up.

Oopsie: we made this batch a bit small– we recommend sizing up one from your usual size.

Can’t find your size? Check out our full assortment of perfect undies here.

  • Mid rise fit, 4.5” inseam
  • Signature stay-put silky soft waistband
  • Smooth, durable flatlock seams won’t irritate or chafe
  • 95% cotton, 5% spandex
  • OEKO-TEX® certified
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Leo U. ★★★★★

The 4.5-inch inseam hits that perfect middle ground—short enough to feel airy under shorts, long enough that they actually stay put during a workout. The waistband doesn't dig in or roll down after a full day of wear, which is more than I can say for most multipacks I've tried.

Hazel ★★★★★

The fabric's "supersoft" claim isn't just marketing—these actually feel like worn-in favorites from day one, and they hit that sweet spot between brief and short. Just ordered a second pack.

Joseph ★★★★★

The inseam is exactly the right length—short enough to feel like a brief but with enough coverage to avoid any ride-up. The supersoft fabric makes them my new go-to for everything from workouts to lazy Sundays.