Description
Product Overview
The Osprey Three-Magnet Kit is a practical accessory designed for outdoor enthusiasts, featuring three detachable sternum strap magnets made from high-quality polyester. This kit, in a sleek grey color with a star shape, ensures your bite valve is always accessible during hikes or camping trips. Key specifications include a compact size of 0.39 x 0.39 x 0.39 inches per magnet, a total weight of 0.03 kilograms, and compatibility with Osprey’s Hydraulics Reservoir systems. Manufactured by Osprey with model name Three-Magnet Kit and part number 5-139-4, it has earned a 4.7-star rating from over 750 customers, highlighting its reliability and ease of use.

Usage
This magnet kit is ideal for camping, hiking, and other outdoor adventures where quick access to your hydration system is essential. It attaches securely to the sternum strap of backpacks, making it perfect for unisex adult users who need hands-free convenience while on the move. Whether you’re trekking through rugged trails or setting up camp, the magnets ensure the bite valve stays in place and within easy reach, reducing interruptions and enhancing your overall experience.
Why Choose Us
Osprey’s Three-Magnet Kit stands out due to its durable polyester construction and precise design, which has been refined since its 2018 model year. With a high customer satisfaction rate and a best-sellers rank in outdoor backpack accessories, it offers proven performance and longevity. The magnets provide a strong hold without adding bulk, ensuring they integrate seamlessly with your gear for reliable, everyday use in various conditions.
Key Features
- Includes three detachable sternum strap magnets for versatile placement and easy access to the bite valve.
- Made from durable polyester material that resists wear and tear in outdoor environments.
- Compatible with any Osprey Hydraulics Reservoir magnet system for broad usability.
- Star-shaped design in grey color offers a secure and stylish attachment to backpacks.
- Lightweight and compact, weighing only 0.03 kilograms, to avoid adding extra bulk to your gear.
FAQ
What backpacks is this magnet kit compatible with?
It is designed to work with any backpack that uses Osprey Hydraulics Reservoir magnets, ensuring broad compatibility for most outdoor packs.
How do I attach the magnets to my sternum strap?
Simply detach each magnet and press it firmly onto the designated area of your sternum strap; they snap into place securely for reliable use.
Is this kit suitable for all weather conditions?
Yes, the polyester material and magnet strength are built to withstand various outdoor conditions, including rain and moderate impacts.
Can I purchase additional magnets separately?
This kit includes three magnets, which are typically sufficient, but check Osprey’s official site for individual replacements if needed.
What is the weight capacity of the magnets?
The magnets are designed to hold the bite valve securely; they can support typical hydration tube weights without slipping during activity.




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