--- product_id: 263493620 title: "YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing" brand: "yyst" price: "€ 26.17" currency: EUR in_stock: true reviews_count: 6 category: "Yyst" url: https://www.desertcart.be/products/263493620-yyst-sternum-strap-backpack-chest-harness-for-backpack-with-20mm store_origin: BE region: Belgium --- # Adjustable 9"-17.5" length 25MM heavy-duty webbing Elastic comfort stretch YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing **Brand:** yyst **Price:** € 26.17 **Availability:** ✅ In Stock ## Summary > 🎒 Lock in comfort and control — your backpack’s new best friend! ## Quick Answers - **What is this?** YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing by yyst - **How much does it cost?** € 26.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/263493620-yyst-sternum-strap-backpack-chest-harness-for-backpack-with-20mm) ## Best For - yyst enthusiasts ## Why This Product - Trusted yyst brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Custom Fit Comfort:** Adjustable sternum strap from 9" to 17.5" to perfectly suit your frame - • **Effortless Stability:** Prevents shoulder straps from slipping, keeping your gear secure and accessible - • **Unmatched Durability:** 25MM webbing and buckle for superior strength and longevity - • **Pressure-Free Support:** Integrated elastic section reduces chest pressure for all-day wear - • **Universal Compatibility:** Fits both 20MM and 25MM backpack shoulder straps seamlessly ## Overview The YYST Sternum Strap Backpack Chest Harness is a robust, adjustable nylon strap designed to enhance backpack stability and comfort. Compatible with 20MM and 25MM webbing, it features a durable 25MM buckle and an elastic section to reduce chest pressure. Ideal for professionals and outdoor enthusiasts seeking reliable support and a custom fit. ## Description You are purchasing Nylon webbing Sternum Strap. Review: Quality and Design - Excellent product and well suited to my requirement. Review: 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 ## Features - Quantity : 1 piece for one backpack . Color : black. NO BACKPACK. Backpack is just for display. - 25MM Webbing - Our webbing is 25MM ,our buckle is also 25MM. More Stronger and more Durable than 20MM buckle. - Suitable for webbing on the backpack up to 25MM. Exactly suitable for 3/4" Wide (20MM) or 1" Wide (25MM). Most of the webbing on the shoulder strap is 1"(25MM) wide. - Adjustable - The sternum strap is adjustable . Please adjust it. Adjustable from 9" to 17.5" (23 CM to 45 CM). - Elastic - One piece of elastic has been attached on the strap. You will not feel too much pressure on your chest. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07D3RGMNM | | Batteries Included? | No | | Best Sellers Rank | #70,029 in Sporting Goods ( See Top 100 in Sporting Goods ) #55 in Backpack Pack Straps | | Brand | YYST | | Color | black | | Customer Reviews | 4.3 4.3 out of 5 stars (358) | | Date First Available | 23 June 2018 | | Is Discontinued By Manufacturer | No | | Item model number | YYST-2 | | Manufacturer | YYST | | Material Type | Nylon Plastic buckle | | Package Dimensions | 10.4 x 6.3 x 3.2 cm; 45.36 g | ## Images ![YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing - Image 1](https://m.media-amazon.com/images/I/514ys683sCL.jpg) ![YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing - Image 2](https://m.media-amazon.com/images/I/61foPJLhNLL.jpg) ![YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing - Image 3](https://m.media-amazon.com/images/I/51oXoM6gFkL.jpg) ![YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing - Image 4](https://m.media-amazon.com/images/I/617C3Gz9XsL.jpg) ![YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing - Image 5](https://m.media-amazon.com/images/I/61++vt-+X-L.jpg) ## Questions & Answers **Q: Is it stretchy or sturdy?** A: It has been sturdy for me, not really stretchy. But easily adjusted to different lengths. **Q: Is this strong enough to ruck 30+ lb? Is there any warranty if the buckle breaks?** A: I would say it would work if your straps are thick on your pack (the straps that will slide in the buckles). The buckles that slide on my bag keep popping off because my webbing that I'm using on my bag is thinner than the plastic "slide on" buckles, so they keep popping off, it's pretty annoying. **Q: How narrow can this be tightened?** A: Not much less than 3 inches between backpack straps. The buckle itself takes up about 2 in ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality and Design *by L***Z on 5 December 2022* Excellent product and well suited to my requirement. ### ⭐⭐⭐⭐⭐ Review *by R***B on 13 December 2024* 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 ### ⭐⭐⭐⭐⭐ Review *by C***L on 29 March 2023* Great product. Excellent quality. Happy with it. ## Frequently Bought Together - YYST Sternum Strap Backpack Chest Harness for Backpack with 20MM or 25MM Webbing - Wisdompro Backpack Chest Strap, Heavy Duty Adjustable Backpack Sternum Strap Chest Belt with Quick Release Buckle --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/263493620-yyst-sternum-strap-backpack-chest-harness-for-backpack-with-20mm](https://www.desertcart.be/products/263493620-yyst-sternum-strap-backpack-chest-harness-for-backpack-with-20mm) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-06-18*