Description
The Uncle Mike's Inside-The-Pant Holster in Size 12 is the kind of setup a lot of folks reach for when they want simple, comfortable concealment without a lot of bulk. It's built from an ultra-thin four-layer laminate that's no thicker than a conventional suede leather holster, so it tucks away inside the waistband and just about disappears under a shirt. The suede-like exterior helps grip the inside of your pants or skirt so it stays put, and the plastic belt clip anchors it to your waistband. This is the open-top style, which means quick access when you need it.
What the Size 12 Inside-The-Pant Fits
This one is sized for subcompact autos. It's designed around the Glock 26, 27, and 33 with their 3.25-inch barrels, and it also handles the Smith & Wesson M&P Shield and Compact along with most similarly sized 9mm and .40 caliber pistols. If you're carrying a small striker-fired gun, chances are good this size covers it. This is the right-hand version, so the clip and body are oriented for a strong-side right-hand draw.
Why This Uncle Mike's IWB Works for Everyday Carry
Comfort is where this holster earns its keep. The soft, flexible material lays against your skin without the hard edges or rubbing you get from some stiffer rigs, which makes a real difference when you're sitting in a car or on your feet all day. An internal moisture barrier keeps perspiration from reaching your gun, and the smooth nylon lining lets the pistol clear the holster without hanging up.
Handling and Retention
A fold-over hook-and-loop retention strap keeps the gun seated and releases with your thumb when you're ready to draw. It's a lightweight, budget-friendly option that plenty of people keep in the rotation alongside pricier holsters, especially for warm-weather carry or when they just want something that vanishes under clothing. Keep in mind the whole rig usually comes off together when you change clothes, which is normal for a soft clip-on holster like this.
Key Specifications
- Manufacturer: Uncle Mike's
- Model: Inside The Pant, Open Style
- Manufacturer Part Number: 89121A
- UPC: 043699015160
- Size: 12
- Hand Orientation: Right Hand
- Product Type: Inside Waistband (IWB) Holster
- Fits: Glock 26/27/33, S&W M&P Shield & Compact, other sub-compact 9mm/.40
- Barrel Length: 3.25"
- Mount Type: Belt Clip
- Retention: Fold-Over Hook & Loop Strap
- Material: Four-Layer Laminate with Suede-Like Exterior
- Color: Black
- Compartments: 1
- Shipping Weight: 0.296 lbs
What’s Included
- Uncle Mike's Size 12 Inside-The-Pant Holster (Right Hand, Black)
Frequently Asked Questions
What guns does the Size 12 Inside-The-Pant holster fit?
It's built for subcompact autos, including the Glock 26, 27, and 33 with 3.25-inch barrels. It also fits the Smith & Wesson M&P Shield and Compact, plus most similarly sized 9mm and .40 caliber pistols. If your carry gun is in that small striker-fired class, this size should have you covered.
Is this holster right-hand or left-hand?
This is the right-hand model, set up for a strong-side draw on your right hip. The clip and body are oriented so the grip sits ready for a right-handed draw. If you carry on your left side or want the gun butt facing the other way, you'd want to look at the left-hand version instead.
How does it stay in place inside the waistband?
It uses a plastic belt clip that hooks over your belt or waistband, and the suede-like exterior grips the inside of your pants to help anchor it. A belt makes a real difference in keeping everything stable. One thing to note is that the whole holster typically comes off with the gun when you take your pants off, which is common for soft clip-on IWB holsters.
Is the Uncle Mike's Inside-The-Pant holster comfortable for all-day wear?
That's one of its strong points. The thin, flexible material lays flat against your body without the hard edges you get from stiffer holsters, so it stays comfortable when you're sitting or moving around. Many people keep it in their rotation specifically for warm weather or long days when comfort matters most.






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