Soft flasks are becoming increasingly popular amongst hikers, runners, and other outdoor enthusiasts as an alternative to water bottles. They are ultra lightweight, collapsible, and fit easily into backpacks, pockets, or hydration vests. Not all soft flasks are created equal, however – in order to get the best experience out of your soft flask, it is important to choose one that is reliable, durable, and fits your needs. In this guide, we will cover the key features and benefits of soft flasks, and provide a few recommendations for some of the best soft flasks on the market.
Best Soft Flasks
| Rank | Product Name | Score |
|---|---|---|
|
1
 |
Vapur – Element 0.7L BPA Free Foldable Flexible Water Bottle w/Carabiner
|
9. 7
|
|
2
 |
Nomader BPA Free Collapsible Sports Water Bottle – Foldable with Reusable Leak Proof Twist Cap for Travel Hiking Camping Outdoors and Gym – 22 oz
|
9. 5
|
|
3
 |
Platypus DuoLock SoftBottle Collapsible Water Bottle
|
9. 1
|
|
4
 |
Katadyn BeFree 1.0L Water Filter
|
8. 8
|
|
5
 |
Hydrapak SF500 SoftFlask
|
8. 6
|
|
6
|
Hydrapak SF500 SoftFlask
|
8. 2
|
|
7
 |
SLS3 Soft Flask Sport Collapsible Lightweight Compact BPA Free Soft Running Hiking Hydration Water Bottle
|
8. 0
|
|
8
 |
Hydrapak Softflask Hydration Flask
|
7 .7
|
|
9
 |
Ultimate Direction Body Bottle 500+
|
7. 4
|
|
10
 |
ITYYT Silicone Collapsible Water Bottle 26oz for Sports & Outdoors
|
7. 2
|
|
11
|
ITYYT Silicone Collapsible Water Bottle 26oz for Sports & Outdoors
|
|
|
12
 |
Salomon Soft Flask 500ml/17OZ
|
|
1. Vapur – Element 0.7L BPA Free Foldable Flexible Water Bottle w/Carabiner
I recently purchased the Vapur Element 0.7L BPA Free Foldable Flexible Water Bottle w/Carabiner and it is an excellent product. It is very lightweight, foldable, and comes with a carabiner for easy carrying. The bottle is made from a high-quality, durable material that is BPA-free and won’t leak or tear. The bottle also has a wide mouth for easy refilling and cleaning. I have used this bottle for a few weeks now and I can say that it is a great product. It keeps my water cold for hours, and I don’t have to worry about the bottle leaking or breaking. The carabiner makes it easy to attach to a backpack or belt loop. Overall I highly recommend this bottle. It is a great product for anyone looking for a lightweight, reliable, and eco-friendly water bottle.
- Made from ultra-durable, BPA-free materials
- Foldable design for easy storage and transport
- Features a 0.7L capacity
- Includes a carabiner to easily attach your water bottle
- Dishwasher safe
2. Nomader BPA Free Collapsible Sports Water Bottle – Foldable with Reusable Leak Proof Twist Cap for Travel Hiking Camping Outdoors and Gym – 22 oz
I recently purchased the Nomader BPA Free Collapsible Sports Water Bottle and it’s the best water bottle I’ve ever owned. The collapsible design is really convenient and makes it easy to store away when not in use. It’s also incredibly lightweight, which makes it ideal for traveling and outdoor activities. The leak proof twist cap is great for ensuring that your beverage stays inside, and the 22 oz capacity is perfect for carrying enough water for a long hike or a day at the gym. Overall, this is a great water bottle that I would highly recommend to anyone needing a durable, collapsible and leak proof container.
- BPA Free: Made of durable, food-grade silicone, this water bottle is BPA free and chemical resistant, making it safe for drinking.
- Collapsible & Portable: Its collapsible design allows the bottle to be easily folded down and stored when not in use, making it perfect for travel, hiking, camping, and gym.
- Leak Proof Twist Cap: The leak proof twist cap ensures the water does not spill out, even when the bottle is turned upside down.
- Reusable: This water bottle can be re-used time and time again to reduce plastic waste.
- 22 oz Capacity: The 22 oz capacity allows you to carry enough water for your workout, travel, or outdoor activities.
3. Platypus DuoLock SoftBottle Collapsible Water Bottle
I recently purchased the Platypus DuoLock SoftBottle Collapsible Water Bottle and I’m so glad I did! This water bottle is great for when I’m on the go and need to be able to store my water bottle in a small space. The DuoLock closure ensures that no water leaks out of the bottle, which is perfect for when I’m on the go. The soft and flexible material that the bottle is made of makes it easy to carry and fits into even the tightest of places. The design of the bottle makes it easy to fill up and the wide mouth makes it easy to drink from. Overall, I’m really pleased with my purchase and would definitely recommend this water bottle to anyone looking for a reliable and convenient way to stay hydrated.
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- Made of BPA-free, food-grade silicone.
- Leak-proof lid with an integrated handle.
- DuoLock system keeps lid securely attached.
- Folds down to just 1.75″ thick.
- Holds up to 20 oz of water.
- Wide-mouth opening makes it easy to fill and clean.
4. Katadyn BeFree 1.0L Water Filter
I recently purchased the Katadyn BeFree 1.0L Water Filter and I am really pleased with it! It is lightweight, compact, and does an excellent job of filtering water in the backcountry. It fits easily into my pack and I can use it to quickly filter water from any source. The filtration system itself is very easy to use, and it does a great job of removing any impurities from the water. I can drink confidently knowing that the water I’m consuming is clean and safe. Overall, I highly recommend this product for anyone who needs an effective and portable water filter for backpacking or other outdoor activities.
- 0.1 micron water filter for removing bacteria, protozoa, and cysts from water
- Easy to use, just fill and squeeze the flask
- Eliminates bad odors and tastes
- Lightweight and portable design
- No batteries or pumping required
- Removes 99.9999% of all waterborne bacteria
- Made with durable, BPA-free materials
- 1.0 liter capacity
5. Hydrapak SF500 SoftFlask
I recently purchased the Hydrapak SF500 SoftFlask and I could not be happier with my purchase. The SoftFlask is incredibly lightweight and flexible, making it easy to store and transport. Additionally, it has a wide opening and is easy to fill with your favorite drink. The bite valve is also very convenient and makes it easy to take a sip without having to remove the flask from your backpack. I love that the SoftFlask is collapsible, so it takes up very little space when empty. Overall, the Hydrapak SF500 SoftFlask is a great purchase and I highly recommend it for anyone looking for an easy-to-use, lightweight flask!
- BPA- and PVC-free, food-grade materials
- Lightweight and collapsible with a capacity of up to 500ml
- Wide opening for easy filling and cleaning
- Leak-proof valve for easy drinking
- Durable construction for long-lasting performance
6. Hydrapak SF500 SoftFlask
I recently purchased the Hydrapak SF500 SoftFlask and I am really impressed with it. It is lightweight and very easy to use. The wide mouth makes it easy to fill and add ice to the flask. The twist-on cap also makes it easy to open and close. I also love the fact that the flask collapses as you drink, making it easy to store when not in use. The flask also has an adjustable strap which allows you to attach it to a belt, bike, or backpack. All in all, I am very happy with my purchase. The Hydrapak SF500 SoftFlask is a great product and I would definitely recommend it to anyone looking for a lightweight and easy to use hydration flask.
- 500ml capacity
- Made with durable, BPA-free TPU
- Large drinking spout for easy hydration
- Lightweight and compressible
- Freezer safe
- Leakproof design
7. SLS3 Soft Flask Sport Collapsible Lightweight Compact BPA Free Soft Running Hiking Hydration Water Bottle
I recently purchased the SLS3 Soft Flask Sport Collapsible Lightweight Compact BPA Free Soft Running Hiking Hydration Water Bottle and I’m really pleased with it. It’s really lightweight and collapses down to a quarter of its size when empty, so it’s great for travelling. The design is really nice too and it feels quite durable. The bottle is also BPA free, so I don’t have to worry about toxins in my water. I’ve been using it for running and hiking and it’s been great. It’s comfortable to carry and I don’t have to worry about spilling water all over the place like I have with normal water bottles. Overall, I’m really happy with this purchase and would recommend it to anyone looking for a lightweight, collapsible water bottle.
- Lightweight and collapsible
- BPA free
- Ideal for running, hiking, and other outdoor activities
- Heat and cold resistant
- Leak-proof design
- Easy to clean and fill
- Portable and comfortable to carry
8. Hydrapak Softflask Hydration Flask
I recently purchased the Hydrapak Softflask Hydration Flask and I am extremely pleased with it. The flask is made of a soft and flexible material, making it very easy to carry and transport. It also features a wide opening with a secure, leak-proof screw cap. The wide opening makes it easier to fill and clean. It also has a built-in valve, which allows you to control the flow of liquid. I love the fact that it is BPA-free and dishwasher-safe, making it a healthier and safer option for drinking. The design of the flask is also great, as it fits in my pocket comfortably. Overall, I highly recommend this product to anyone looking for a reliable and convenient way to stay hydrated.
- 100% BPA and PVC Free
- Lightweight design and collapsible
- Closed cell foam insulation keeps liquids cool
- External fill port allows easy filling and cleaning
- Taste-free and odorless
- Wide-mouth opening for easy filling, drinking and cleaning
- Secure, leak-proof cap
- Carry loop for easy attachment
9. Ultimate Direction Body Bottle 500+
I recently purchased the Ultimate Direction Body Bottle 500+ and I am really happy with my purchase. It is a really durable water bottle with a comfortable grip and a larger capacity than other water bottles I have used. It has a 500ml capacity which is great for longer hikes or for carrying more water with you. The design of the bottle is also well thought out, with a secure lid that won’t leak and makes it easy to drink from. I also love that it is BPA free, so I don’t have to worry about any chemicals leaching into my water. Overall, I am really happy with my purchase and would highly recommend it to anyone looking for a reliable water bottle.
- The Ultimate Direction Body Bottle 500+ is designed to meet the hydration needs of athletes and outdoor adventurers.
- This body bottle features a wide-mouth opening to make filling and cleaning easy, as well as a push/pull cap to prevent spills.
- The bottle also features a hands-free carry system, which allows you to attach the bottle to your belt or backpack.
- In addition, the unique shape of the bottle allows for a more comfortable and secure grip.
- The Body Bottle 500+ is leak-proof and can hold up to 500ml of liquid.
10. ITYYT Silicone Collapsible Water Bottle 26oz for Sports & Outdoors
I recently purchased the ITYYT Silicone Collapsible Water Bottle 26oz for Sports & Outdoors and I’m so glad I did! This water bottle is perfect for taking with you when you exercise, go camping, or just want to stay hydrated throughout the day. It’s made of high quality silicone and it is really durable. I also love that it is collapsible, so you can easily slip it into your bag or pocket when you’re done drinking. The design is also great, with an easy to use spout and a wide opening for easy cleaning and filling. Overall, this is an excellent product that I highly recommend!
- 26oz capacity
- Collapsible design
- Made of food-grade silicone
- BPA and Phthalate free
- Leak-proof screw-on lid
- Insulated design keeps liquids cold or hot
- Wide mouth opening for easy cleaning and filling
- Comes with carabiner for easy carrying
- Lightweight and compact for easy storage
- Suitable for both indoor and outdoor activities
