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6" Fly Packing Boxer Briefs

4.6 star rating 31 Reviews
$34
Color Black

It's all in the hips

For more detailed information, please see our Fit Guide page.

For the best fit, pick your size based on your hip measurement.
Body measurement in inches

Size Waist Hips
XS 26-27.5" 33-34"
S 28-29.5" 35-37"
M 30-31.5" 38-40"
L 32.5-34" 41-43"
XL 35-37.5" 44.5-46.5"
2X 38.5-42" 48-50"
3X 43-45" 51.5-53.5"
4X 46-48" 55-56"
5X 49-51" 57.5-59.5"
6X 53-55" 61-63"

How to measure your hips

Stand on a level surface, feet together without shoes.
Measure around the fullest part of your hips and bottom - this is usually 7-9" below your natural waistline.
Keep the tape measure parallel to the floor, and don't pull too tight.

Size chart
Size

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Our classic 6” Fly with a little something extra – these high quality boxer briefs come with a deep pocket to securely accommodate a soft FTM packer. Our packing underwear keeps your packer in place for all-day comfort. These mid-length boxer briefs fit you and who you are. A faux fly and decorative buttons compliment this classic profile. Our signature stay-put waistband pairs perfectly with mid-length coverage.

While you can open the fly to access what you are packing, because the packer sits inside a pouch, STP use is not recommended. This is a great choice for folks who want some fabric between their skin and their packer.


  • Includes a functional 3-button fly
  • Fit-tested on all body types, sizes XS-4X
  • Signature stay-put silky soft X= black waistband
  • 95% OEKO-TEX Certified cotton, 5% spandex
  • Smooth, durable flatlock seams won’t irritate or chafe
  • Mid rise fit, 6" inseam
  • Machine wash cold, tumble dry low
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Living Wage factories

Ethically produced in women-owned factories that pay living wages.

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fit-tested for every body

Obsessively fit-tested on real people, sizes XS-4X.

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Love at first wear

If you don't love them, your first pair is on us.

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eco-friendly process

Sustainably harvested materials and earth-conscious production.

Live the X

Join the movement. Follow @TomboyX and tag us in your pics for a chance to be featured.

Fabrics & Technology

Cotton

Our classic soft jersey knit holds its shape after many wear and care cycles.

Shop Cotton

MicroModal

The luxurious companion to cotton. Supersoft, breathable and stretches to meet you.

Shop Micromodal

Traveler

Quick-drying, durable and ultralight performance fabric. Anti-bacterial and anti-microbial.

Shop Traveler

First Line Leakproof

Your first line of defense — our classic cotton armed with leak protection for light period days and incontinence.

Shop First Line