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Air Trunk 4"

New Colors

4.5 out of 5 star rating
4.5
(1310)
Regular price $42
Air Trunk 4"
Air Trunk 4"
Air Trunk 4"
Air Trunk 4"

171 people purchased this week. Get yours before it sells out!

Select a set
Color Dutch Canal
Size
Pouch Support Hammock
$2 per pair for Hammock Pouch
Free shipping and returns for orders $75+

Moisture-Wicking

Lightweight

Quick Dry

Contour Pouch
Designed for comfort and control, this curved pouch supports and flatters your natural shape.
Stay-Put Waistband
Won’t roll, bunch, pinch or leave marks.
Quick Draw® Fly
A uniquely intuitive horizontal opening for fast, easy access when nature calls.

Air Collection

Feather-light, quick drying, enhances airflow with a barely-there feel.

Lightweight

Breathable

Quick Dry

We Obsess Over Every Stitch

Our dedication to the smallest detail elevates every pair you wear.

Horizontal Quick Draw® Fly

A solution to the ‘fly fishing’ caused by vertical and no-fly underwear. A uniquely intuitive horizontal opening for fast, easy access when nature calls.

Stay-Put Waistband

Designed for comfort and control, the waistband won’t roll, bunch, pinch or leave marks. It is also tagless for enhanced comfort, we really thought of everything.

Perfect for

FlyingLoungingExploring

When to wear

An ultra-light mesh fabric that allows air to circulate. Ideal for travel, vacations & hot climates.

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Companies that love us

  • "Our favorite underwear for golfers"

  • "Combined with how lightweight they are, the quick-drying aspect makes them a terrific choice for travel"

  • "Meticulously designed with a lightweight stretch fabric that supports dynamic movement"

Reviews
Q&A

Rating & Reviews

4.5 out of 5 stars 1310 total reviews
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Cindy L. 🇺🇸
Verified Buyer
Everyday comfort and silkiness
Very stretch and light fabric. Feels soft and silky so comfortable to wear all day.
Size:L|
Age:15 - 29|
Height:5'5 - 5'9
Fit
Feels true to size
Published date
05/01/25
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Cooper B. 🇺🇸
Verified Buyer
Super comfy great to wear
Super comfy great to wear all day feels cool on the skin in hot weather there’s no sweat and it does not travel up the legs
Size:L|
Age:15 - 29|
Height:6'0 - 6'4
Fit
Feels true to size
Published date
04/30/25
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Bill M. 🇺🇸
Verified Buyer
These 4” Air Trunks are
These 4” Air Trunks are the lightest underwear I have ever worn. The hammock provides a Snug feeling.
Size:L|
Age:45 - 64|
Height:6'0 - 6'4
Fit
Feels true to size
Published date
04/28/25
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Judie H. 🇺🇸
Verified Buyer
Exactly as described!
Exactly as described!
Size:XL|
Age:45 - 64|
Height:6'0 - 6'4
Fit
Feels true to size
Published date
04/10/25
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Bill M. 🇺🇸
Verified Buyer
I absolutely love the 4”
I absolutely love the 4” Air Trunks with the Hammock. Love the fit
Size:L|
Age:45 - 64|
Height:6'0 - 6'4
Fit
Feels true to size
Published date
04/05/25
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Confidence Through Comfort
Air Trunk 4"::Dutch Canal

Air Trunk 4"

4.5star rating (1,310reviews)