Ultralight water bottles are essential for any hiker or backpacker who needs to carry their water on the go. In this product review article, we will be discussing the top 5 ultralight water bottles in the market today:
We will provide a detailed review of each product, including their features, operation, pros and cons, and where they showed themselves well during testing.
Hydrapak Stash Collapsible Hiking and Backpacking Water Bottle Review
The Hydrapak Stash Collapsible Hiking and Backpacking Water Bottle is a great option for hikers and backpackers who need a lightweight and collapsible water bottle. It can hold up to 1000 ml of water and can be easily collapsed when empty, taking up minimal space in your backpack. The bottle is made of durable and flexible TPU material, making it resistant to punctures and leaks.
Full Feature:
Lightweight and collapsible design
Can hold up to 1000 ml of water
Made of durable and flexible TPU material
Resistant to punctures and leaks
Easy to fill and clean
Operation:
To fill the Hydrapak Stash, you simply unscrew the cap and fill it with water. When empty, you can collapse the bottle by twisting it and pushing it down, making it easy to store in your backpack.
Pros:
Lightweight and collapsible design
Durable and resistant to punctures and leaks
Easy to fill and clean
Cons:
May not fit all backpack pockets due to its larger size
Testing:
During testing, the Hydrapak Stash showed itself well on longer hikes where we needed to carry more water. Its larger size was not a hindrance as we were able to store it in the main compartment of our backpacks.
Price: $ 25.95
Final Score: 9.5/10
Vapur Collapsible Water Bottles 2 Pack Review
The Vapur Collapsible Water Bottles 2 Pack is a great option for those who want a lightweight and compact water bottle that is easy to store in their backpack. These bottles are made of durable and BPA-free material, making them safe and resistant to punctures and leaks. The pack comes with two 1-liter bottles, making it perfect for longer hikes or backpacking trips.
Full Feature:
Lightweight and compact design
Made of durable and BPA-free material
Resistant to punctures and leaks
Comes with two 1-liter bottles
Operation:
To fill the Vapur Collapsible Water Bottles, you simply unscrew the cap and fill them with water. When empty, you can collapse the bottles by rolling them up and storing them in their included pouch, which takes up minimal space in your backpack.
Pros:
Lightweight and compact design
Durable and resistant to punctures and leaks
Comes with two bottles, perfect for longer hikes or backpacking
Cons:
The bottles may have a slight plastic taste at first
The caps can be difficult to tighten securely
Testing:
During testing, the Vapur Collapsible Water Bottles showed themselves well on shorter hikes where we didn't need to carry as much water. The compact design and included pouch made them easy to store in our backpacks, and the durable material held up well against punctures and leaks.
Price: $ 19.99
Final Score: 9/10
HydraPak Flux - Collapsible Backpacking Water Bottle Review

The HydraPak Flux - Collapsible Backpacking Water Bottle is a great option for those who want a lightweight and collapsible water bottle with a high flow rate. The bottle has a 1-liter capacity and can collapse down to a small size when empty. It features a twist-locking cap and a flexible nozzle for easy drinking. The bottle is made of durable and BPA-free material, making it resistant to punctures and leaks.
Full Feature:
Lightweight and collapsible design
1-liter capacity
Twist-locking cap and flexible nozzle
Made of durable and BPA-free material
Resistant to punctures and leaks
Operation:
To fill the HydraPak Flux, you simply unscrew the cap and fill it with water. The twist-locking cap ensures that there are no leaks, and the flexible nozzle makes drinking easy. When empty, you can collapse the bottle by twisting it and pushing it down, making it easy to store in your backpack.
Pros:
Lightweight and collapsible design
High flow rate
Durable and resistant to punctures and leaks
Cons:
May be difficult to fill in shallow water sources
The nozzle may leak if not twisted tightly
Testing:
During testing, the HydraPak Flux showed itself well on hikes where we needed a higher flow rate of water. The flexible nozzle made it easy to drink from, and the durable material held up well against punctures and leaks. However, we did have some difficulty filling the bottle in shallow water sources, and the nozzle did leak if not twisted tightly.
Price: $ 22.00
Final Score: 8/10
Nomader Collapsible Water Bottle Review
The Nomader Collapsible Water Bottle is a great option for those who want a lightweight and durable water bottle with a silicone body that can withstand extreme temperatures. The bottle has a 22-ounce capacity and can be collapsed down to a small size when empty. It features a screw-on cap with a flip-top lid for easy drinking. The bottle is made of BPA-free material and is leak-proof.
Full Feature:
Lightweight and collapsible design
22-ounce capacity
Silicone body that can withstand extreme temperatures
Screw-on cap with a flip-top lid
BPA-free and leak-proof
Operation:
To fill the Nomader Collapsible Water Bottle, you simply unscrew the cap and fill it with water. The flip-top lid makes drinking easy, and the screw-on cap ensures that there are no leaks. When empty, you can collapse the bottle by rolling it up and storing it in its included pouch, which takes up minimal space in your backpack.
Pros:
Lightweight and collapsible design
Durable and can withstand extreme temperatures
Leak-proof and easy to drink from
Cons:
May have a slight plastic taste at first
The flip-top lid may not stay open when drinking
Testing:
During testing, the Nomader Collapsible Water Bottle showed itself well on hikes where we needed a lightweight and durable water bottle. The silicone body held up well against extreme temperatures and the screw-on cap ensured that there were no leaks. We also appreciated the included pouch for easy storage. However, we did notice a slight plastic taste at first, and the flip-top lid sometimes did not stay open when drinking.
Price: $ 36.95
Final Score: 10/10
Azarxis TPU Soft Flask Collapsible Water Bottle Review
The Azarxis TPU Soft Flask Running Collapsible Water Bottle is a great option for runners and hikers who want a lightweight and collapsible water bottle that can be easily carried on the go. The bottle has a 500ml capacity and can be collapsed down to a small size when empty. It features a soft and flexible body with a bite valve for easy drinking. The bottle is made of TPU material, making it resistant to punctures and leaks.
Full Feature:
Lightweight and collapsible design
500ml capacity
Soft and flexible body with a bite valve
Made of TPU material
Resistant to punctures and leaks
Operation:
To fill the Azarxis TPU Soft Flask Running Collapsible Water Bottle, you simply unscrew the cap and fill it with water. The bite valve makes drinking easy and does not require you to stop and open a cap. When empty, you can collapse the bottle by squeezing it and rolling it up, making it easy to carry on the go.
Pros:
Lightweight and collapsible design
Bite valve makes drinking easy
Resistant to punctures and leaks
Cons:
May not be suitable for longer hikes or runs due to smaller capacity
The bite valve may leak if not closed properly
Testing:
During testing, the Azarxis TPU Soft Flask Running Collapsible Water Bottle showed itself well on shorter runs and hikes where we didn't need to carry as much water. The lightweight and collapsible design made it easy to carry on the go, and the bite valve made drinking easy without needing to stop and open a cap. However, we did notice that the bite valve may leak if not closed properly, and the smaller capacity may not be suitable for longer hikes or runs.
Price: $ 22.99
Final Score: 7.5/10
Conclusion:
Overall, there are many great ultralight water bottles on the market, and each has its own unique features and benefits. The Hydrapak Stash Collapsible Hiking and Backpacking Water Bottle is a great option for those who need a durable and lightweight bottle with a large capacity. The Vapur Collapsible Water Bottles are great for shorter hikes where space is limited, and the HydraPak Flux is perfect for those who need a high flow rate of water. The Nomader Collapsible Water Bottle is a great all-around option with a silicone body that can withstand extreme temperatures, and the Azarxis TPU Soft Flask Running Collapsible Water Bottle is a great option for runners and hikers who need a lightweight and easily portable bottle.