

🎒 Elevate your carry game — comfort and strength that moves with you!
The YYST Sternum Strap Backpack Chest Harness is a robust, adjustable accessory designed to enhance backpack stability and comfort. Featuring durable 25MM webbing and buckle, it fits shoulder straps up to 25MM wide and includes an elastic section to reduce chest pressure. Lightweight and compatible with most backpacks, it’s ideal for professionals and outdoor enthusiasts seeking ergonomic support and reliable performance.
| ASIN | B07D3RGMNM |
| Best Sellers Rank | #29,431 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #87 in Tactical Bag Accessories |
| Customer Reviews | 4.4 4.4 out of 5 stars (366) |
| Date First Available | August 8, 2015 |
| Is Discontinued By Manufacturer | No |
| Item model number | YYST-2 |
| Manufacturer | Yi Ya Su |
| Package Dimensions | 4.09 x 2.48 x 1.26 inches; 1.6 ounces |
L**N
Great Sternum Strap
Works great for my Goruck Rucker 21L. It was easy to put on and seems to be the same design and quality of the Goruck brand. It really improves the weight distribution and feels much better going for long walks now.
G**S
Works well
I bought this for my Yeti backpack soft cooler. Can't believe that for the price, Yeti did not include a chest strap. This strap fit the Molle's on the shoulder strap perfectly. It seems sturdy and has good adjustability.
T**B
Fits well
Does as described. Fits well.
A**N
Chest strap
Durability is great easy to install it really stabilizes the bag in the center of your chest.
J**N
Works great!
Nice and sturdy. The buckles and straps are a better quality of the other sternum straps that I’ve been seeing for around this price for 2 or more. I have also been able to hang things on the strap as well to help free up my hands.
M**R
Great product but too short and slightly flimsy hardware
I added this strap to a Columbia backpack that I like for hiking despite it missing a chest strap. This strap adds a level of comfort to the pack, as well as sturdiness while wearing. Unfortunately, the strap is about 2" too short for my 46r chest and popped off several times despite being installed as the pictures show. If used on a smaller person, I could see it working well. I'm sure part of the reason it popped off so much was because of how tight it was, but it should have more adjustment room.
K**N
works great on a LEEDS 3950-11 backpack
Found it! Been looking for a chest harness to keep my backpack in place to allow for more "hands free" walking/hiking without having to use my hands to keep the shoulder straps aligned and adjusted. Fits nicely on a LEEDS 3950-11 backpack.
B**N
Perfect for for Stihl BR600
Bought the Stihl BR 600 last week and love every ring about it except for the fact it keep slipping off my shoulders no matter how much I adjusted or tightened. Read this was a common complaint for many. Found this after some research and it’s a perfect fit for the strap and holds together lol well.
R**B
Purchased to use on a Stihl 700 backpack blower. My shoulder straps were always falling off, this chest strap fixed that problem, easy to use and attach
L**Z
Excellent product and well suited to my requirement.
C**L
Great product. Excellent quality. Happy with it.
A**R
Useless. The clasp stops gripping the webbing and slides loose if it is even slightly at an angle. Cosmetic use at best. I wish I had just bought the genuine replacement strap from goruck instead.
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