Kilian Korth, Professional Trail Runner
The locking cap should be standard on all soft flasks. And the 800ml size allows you to use the Ultraspire Alpha vest and easily carry 2.4L of water without a bladder.
Recommended in Long Run / Race Kit
Brand: UltrAspire
Category: Running Water Bottles & Flasks
Recommended by Katie O'Connor, Ultra Trail Runner | Run Coach | Lover of all things RUNNING — Chicago, IL
Highlights: long distance
The 800 mL SoftFlask with Bite Cap is the ultimate hydration solution for active individuals, offering a lightweight, collapsible design that ensures convenience without compromising on capacity. Made from safe materials, it provides a reliable way to stay hydrated during your adventures. 1. Holds up to 800 mL of liquid, perfect for long runs or hikes. 2. Collapsible design allows for easy storage and transport when not in use. 3. Equipped with a 42mm cap for quick filling and cleaning. 4. Features a Bite Valve for effortless sipping on the go, minimizing spills. 5. Constructed from PVC and BPA-free materials, ensuring safe hydration. 6. Lightweight design enhances portability without adding bulk to your gear. 7. Compatible with most hydration packs for versatile use. This SoftFlask is ideal for runners, hikers, and outdoor enthusiasts who require a reliable hydration solution during their activities. It performs best in warm weather conditions where hydration is crucial, and is perfect for both casual users and seasoned athletes. Whether you're tackling a marathon or enjoying a day on the trails, this product excels in providing convenient access to fluids, making it a must-have for any adventure.
Price: $24.95
Fits great in the front pocks and nice to have 300 more mL per flask for long days on trail! I swap out the top for: https://www.hydrapak.com/products/drink-tube-cap-42mm?variant=31224159764570
Recommended by Katie O'Connor, Ultra Trail Runner | Run Coach | Lover of all things RUNNING
Fits great in the front pocks and nice to have 300 more mL per flask for long days on trail! I swap out the top for: https://www.hydrapak.com/products/drink-tube-cap-42mm?variant=31224159764570
Katie O'Connor recommends the UltrAspire 800 mL Softflask w/ Bite Cap for running water bottles & flasks. Fits great in the front pocks and nice to have 300 more mL per flask for long days on trail! I swap out the top for: https://www.hydrapak.com/products/drink-tube-cap-42mm?variant=31224159764570
Yes — Katie O'Connor recommends the 800 mL Softflask w/ Bite Cap by UltrAspire as their running water bottles & flasks pick. Fits great in the front pocks and nice to have 300 more mL per flask for long days on trail! I swap out the top for: https://www.hydrapak.com/products/drink-tube-cap-42mm?variant=31224159764570
Katie O'Connor recommends it for long efforts: Fits great in the front pocks and nice to have 300 more mL per flask for long days on trail! I swap out the top for: https://www.hydrapak.com/products/drink-tube-cap-42mm?variant=31224159764570
View Katie O'Connor's expert gear recommendations on Rendezvu
4 experts recommend the UltrAspire 800 mL Softflask w/ Bite Cap.
The locking cap should be standard on all soft flasks. And the 800ml size allows you to use the Ultraspire Alpha vest and easily carry 2.4L of water without a bladder.
Recommended in Long Run / Race Kit
Pairs well with the Traverse
Recommended in Pregnancy & Postpartum Training Essentials
For longer stretches between aid stations, I want as much water as I can comfortably carry. This 800 mL bottle is the perfect size for my belt, and the locking top makes it easy to pull in and out without worrying about spilling.
Recommended in My 50-Mile Race Kit
“Fits great in the front pocks and nice to have 300 more mL per flask for long days on trail! I swap out the top for: https://www.hydrapak.com/products/drink-tube-cap-42mm?variant=31224159764570”
“Fits great in the front pocks and nice to have 300 more mL per flask for long days on trail! I swap out the top for: https://www.hydrapak.com/products/drink-tube-cap-42mm?variant=31224159764570”
