Carry Guide · No-Belt Carry
Concealed Carry Underwear for Men: Carry When Your Pants Can't Hold a Holster
Gym shorts and sweats can't anchor a belt holster. Holster boxer-briefs carry the pistol at your hip on their own, and a holster undershirt carries it under your arm.
Leg day. Gym shorts, a drawstring, no belt loops. You clip the holster on anyway, and it sags when you bend over. So the gun rides in a bag on the floor, or it stays in the truck.
The shorts aren't the problem. Your holster never held the gun by itself. Your belt and a firm waistband did, and gym shorts have neither.
Concealed carry underwear for men fixes that by putting the holster in a snug compression layer that stays on your body without a belt.
It's what one commenter under a gym-carry video was after: "If I can avoid putting firearms in any bag, I would." One warning before you shop: the phrase covers three different products, and only two of them hold a gun.
Which carry underwear fits which day?
Start with what you're wearing, not with the holster. Here's how the three types line up with a normal week.

Gym shorts, sweats and joggers
Holster boxer-briefs. They hold the pistol on their own, so the shorts only have to cover it. Wear a loose tee untucked over the grip.

Office days and button-downs
A tucked shirt covers nothing at the waist, so a gun at the hip will show. Move it up: a holster shirt goes under the dress shirt. In our view, a sport coat or an open overshirt does the most to hide the outline under the arm.

Shorts and a T-shirt in summer
Heat leaves room for one loose layer, so pick one spot. Boxer-briefs put the pistol at your hip under an untucked tee. A holster tee puts it on your ribs, under a light button-up worn open.

Desk days and long drives
Sitting is where low carry pinches. One SmartCarry owner wrote that he found it "impossible to sit down or crouch" without the gun pushing into his crotch. The tee's page says it spreads the weight across your torso instead of digging into your waistband. If you sit most of the day, start there.
“A gun in a bag on the gym floor while youre focusing on working out is insane”
Why won't a holster stay put in gym shorts?
Call it the borrowed waistband. A clip-on holster is only as steady as the pants it hangs from.

- On gym-shorts days, the holster sags. It slides or tips on an elastic waist, so the gun leaves your body. Some carriers bring their own anchor. One commenter under a gym-carry video wrote: "I just wear a gun belt under the shorts with a regular iwb holster."
- Elastic gives the clip nothing to bite. An inside-the-waistband (IWB) holster hangs from a belt and a firm waistband. Elastic stretches and folds, so the clip has nothing stiff to grab. That's why the usual fixes add gear, like a second belt under the shorts, or move the gun into a bag.
- A coat on a curtain. Clipping a holster to gym shorts is like hanging a coat on a curtain. The hook is fine. The curtain isn't.
- So anchor the holster to your body. Holster boxer-briefs skip the pants. The holster is sewn into compression underwear that, in our view, grips your hips, so the outer layer only has to cover it. Phantom's pair has two identical surgical-grade elastic holsters, one on each side, in a 4-way stretch MicroPoly/Lycra blend with a 4 in inseam.
- The gun stays on you, if the fit is snug. The product page lists gym shorts, sweatpants, jeans and dress pants, with or without a belt. But our read is that the squeeze does the holding. A buyer of another brand's holster underwear wrote that "they run ridiculous large like two sizes larger and they don't hold my RM 380." Size by your waist, not by habit.
Phantom Carry Boxer-Briefs
The underwear is the holster: two sewn-in pockets that ride at your hips under whatever pants you wear.
- Two identical holsters, one on each side, for a left- or right-hand draw
- Spare slots for a magazine, documents or small essentials
- Soft, breathable, moisture-wicking MicroPoly/Lycra that goes in the washing machine
- Black, sizes S to 3XL
$39
Get the boxer-briefsSoft elastic pockets, not a rigid holster. Made for deep concealment, not a fast draw.
What about a holster undershirt?

Upper-body carry
Same idea, higher up. An undershirt anchors the gun to your ribs instead of your hips.
Phantom makes two. The holster tee is a crew-neck compression shirt with a pocket under each arm. Its page says it holds the gun tight to the ribcage and spreads the weight across your torso.
The holster shirt is a compression base layer with padded pockets that close with hook-and-loop. Its page says the mesh panels break up the gun's outline and a shoulder yoke spreads the weight across your back. Both come in black or white, S to 3XL, at $59.
One limit: an undershirt needs a shirt over it. Boxer-briefs only need pants and an untucked tee.
How does underwear carry stack up against other no-belt options?
This is general guidance from product pages and carrier reports, not a lab test. Phantom makes the first two. The rest of the range is in our concealed carry clothing collection.
| Method | Where the gun rides | Needs a belt? | Watch for |
|---|---|---|---|
| Holster boxer-briefs | At the hip, or at the front of the waist | No | Soft pocket, slower draw, grip needs a shirt over it |
| Holster tee or holster shirt | On the ribs, under each arm | No | Needs a cover shirt, and it's one more layer in the heat |
| Groin holster worn inside the pants | Low at the front, below the belt line | No | Owners report pressure when they sit or crouch |
| Belly band | Wrapped around the waist | No | Adds a layer at the waist, so check that it stays put when you move |
| IWB belt holster | Inside the waistband, clipped to a belt | Yes | Needs a sturdy belt and pants with a firm waistband |
| Padded carry underwear | Holds no gun | Worn with a belt holster | Protects skin only, you still need the holster |
Practice any new setup with an unloaded gun before you carry it.
At the hip or under the arm?

Boxer-briefs: a holster on each hip

Holster tee: a pocket under each arm
Left: the drawing from the boxer-briefs product page. Right: the holster tee in white. Same idea, two heights.
What long-time wearers of elastic-pocket holsters report
“i can honestly tell you that the retention hasn't changed a bit since purchasing it over a year ago!”
“I don't use full sized guns or guns without safety measures like a positive safety or a heavy DA trigger. I use a slim weapon or snub and it works great for deep concealment.”
“If you're going to be around huggers, this is THE carry method in my experience. There is some discomfort when crouching or sitting leaning slightly forward that cause this to not be my primary carry method”
“If you got a belly the elastic will keep flipping down.”
Questions men ask before buying carry underwear
Which guns fit the Phantom boxer-briefs?
The page says they fit "1911s, Sig Sauer, Beretta & virtually every Glock." It lists the holster openings as 1.57 in (left) and 1.26 in (right) across, but no pocket depth. The long-time ThunderWear wearer above sticks to slim guns and snubs. If yours is on the big side, check it against the page or ask support before you order.
Is a soft pocket safe for a striker-fired pistol?
It's the right worry. Matthew Maruster's holster safety checklist calls sewn-in clothing holsters "really nothing more than a cloth pocket" and fails them unless "there is some hard material to reinforce the area encompassing the trigger guard." Phantom's page doesn't list a rigid insert.
If you carry in one, build three habits:
- Check the empty pocket before you dress.
- Keep fabric clear of the trigger guard.
- Re-holster slowly, and practice first with an unloaded gun.
Will sweat rust the gun?
A YouTube commenter put it bluntly: "Gun will develop moisture from sweat and begin to rust." The page calls the fabric moisture-wicking, but the gun still rides against skin. Wipe it down after workouts and hot days, and empty the pockets before each wash.

Carry on the days your belt stays home
Two built-in holsters, no belt, $39 a pair.
- Best for: gym shorts, sweats, joggers and lazy days at home, under an untucked tee
- Skip it for: a fast draw, a tucked dress shirt, or a waist over 52 in, the top of the 3XL range
- Size by your waist: S 29 to 32 in, M 32 to 35, L 35 to 38, XL 38 to 43, 2XL 43 to 47, 3XL 47 to 52. The chart says size up if you're between sizes. Don't go bigger than that: the product page credits the snug fabric with keeping the gun in place.
- Also part of The Entire Carry kit, with the vest, holster tee, pants, IFAK and pen
Phantom Tactic makes the boxer-briefs, holster tee and holster shirt mentioned in this guide.
