Yib-Yab Shoulder Strap for Improved Modular Tactical Vest (IMTV/PC)
NSN: 8455-01-582-8072
Yib-Yab Shoulder Strap for Improved Modular Tactical Vest (IMTV/PC)
NSN: 8455-01-582-8072
Part Number: YYBSS-01
Cage: 4W1N2
Size: N/A
Color: Coyote Brown The Yib-Yab Shoulder Strap is a specialized, military-grade accessory engineered for the United States Marine Corps’ Improved Modular Tactical Vest (IMTV) and compatible Plate Carriers (PC). This strap serves as an innovative replacement for the standard vest buckle shoulder assembly, enhancing tactical efficiency and user comfort in demanding operational environments. It is also one of the three most likely pieces of CIF gear to be lost these days. So if you’re that guy, and you’re reading this, rest assured your secret is safe with us and we ship in discrete packaging.
Designed to attach seamlessly to the shoulder pads of the IMTV, it provides a secure and adjustable fit while addressing common ergonomic challenges faced by service members.
Crafted from durable, high-quality nylon material, the strap is built to withstand rigorous field use, including exposure to harsh weather, abrasion, and heavy loads typical in combat scenarios. Its flat, streamlined design features a unique “Yib-Yab” end configuration—a loop and attachment mechanism that minimizes bulk and interference. This low-profile setup is particularly beneficial for improving weapon handling, allowing for smoother shouldering of rifles without the obstruction often caused by traditional buckles.
Key Features and Specifications:
Low-Profile Ergonomics: The Yib-Yab end reduces the shoulder’s profile, enabling better rifle shouldering and maneuverability during tactical movements.
Secure Attachment System: Compatible with the IMTV’s shoulder pads (End Item Identification: 8470-01-581-4766), ensuring quick and reliable integration without tools.
Dimensions: 1.5 inches wide and 16 inches long, offering flexibility for various body sizes and adjustment needs.
Condition Availability: Really good to Pretty Ok
This shoulder strap is an essential upgrade for tactical vests, prioritizing functionality, comfort, and operational readiness. It’s favored by military personnel for its ability to streamline gear without compromising on security or durability. Whether for active duty, training, or surplus enthusiasts, the Yib-Yab Shoulder Strap elevates the performance of the IMTV/PC system.
This linked video shows how to install the Yib Yab, skip to the last two minutes.
Surplus items may or may not ever restock, so get ’em while you can.
Surplus items are not eligible for returns.
Editor’s note: For reasons we don’t understand but are encouraging, “YIBYAB” is becoming a unit of measure. Some products on the site now reflect that. A “YIB” (folded length) is approximately 9.5″, a YAB (flat width) is approximately 1.5″, and a YIBYAB (extended length) is approximately 17.5″. It’s worth noting that a YIBYAB and a common cubit (Biblical unit of measure) are both approximately 18″, making YIBYAB and Cubit functionally interchangeable for our purposes.
$7.50 – $10.00Price range: $7.50 through $10.00



Literally the Owner of this Website –
Since I started carrying a yibyab, I haven’t been mugged, accosted by a rattlesnake, molested by a mountain lion, or had an expensive vehicle repair. Sales of my meme products are up 87%, and chargebacks are at a record low. My truck runs smoother, and that itch in my left shoulder has reduced.
A+ would yib again.
Greg Duckk –
I’m honestly a little frustrated there’s only 5 stars for this product. I’ve had serial ED problems, my dog shits in my slippers, my boss walks all over me, and lastly my glock that I put a ton of custom parts in to make it something it’s not always jams. *FLASHBACK; that was 2 weeks ago. After receiving the yib-yab my penis elongated, my dog cooks me breakfast, my boss is now my subordinate, and my glock still jams. Can’t recommend the yib yab enough. It’s the Dave Ramsey of life planning and honestly just a cheat code.