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Your cart is empty.FITLY Flasks are ideal for quick drinks on the run. Gobble up a gel, wet a dry throat, or re-hydrate. Designed to be used while running or biking. Stores directly in your front, side, or back pockets. FITLY Flasks shrink as you drink so nothing ever moves, bounces or rattles.
R. Pree
Reviewed in the United States on February 26, 2025
Perfect size for my purse to take my meds on the go. Easy to clean and refill. No dripping, lid is secure. So glad I bought it! Might be good if I have a cough that won’t quit and I’m out and about.
Customer
Reviewed in the United States on February 17, 2025
I got these bottles to take snowboarding, and they work well for that because they are small enough to fit in a pocket and since they are flexible they do not interfere while riding.I don't fill them entirely up (maybe 85%), I leave a little space so they mold to my body and flex when I move. It is very nice to be able to take a sip of water on the lift, and not have to go into the resort, I can keep riding and stay out longer.
White Goodman
Reviewed in the United States on January 12, 2025
I bought both the 5oz and 8.5oz for my marathon training long runs and it has been a game changer. The 5oz is enough for up to 14 miles (for me anyway), and for any distance over that I suggest the 8.5oz. It’s super high quality and the mechanism is GENIUS!! I saw a person posted a photo of mold growing inside their mouth piece, but if you read the instructions carefully, it specifically tells you to take the back piece out of the mouth piece with each wash, which prevents mold. I highly recommend for anyone!! My kids (ages 4 and 7) loved it too, and I can see us using them a bunch for various outings.
Beth L.
Reviewed in the United States on August 11, 2024
I don’t like to carry a water bottle when I go on a run. At events and our local track, there are water stops along the course, but I like to have a little water with me so I can hydrate to my thirst. This bottle is absolutely perfect for that need. It fits in my pocket and does not leak and lets me get small boosts of hydration between water stops. It does not hold much, but for me it is perfect for hydration supplementation during a 10k. If this is all the water you have / available, it would not be big enough, but for races where you know there will be water stops offered, this bottle is great. There was a slightly plastic oder when I first got it, but it went away quickly and the water never tasted off.Pros: easy to fill, easy to use while running, great size for extra water, easy to clean, pocket sizedCons: slightly plastic smell (dissipated quickly for me)Bottom line: great way to supplement water on a running course with water already available.
Nihat
Reviewed in Turkey on June 9, 2024
Maraton ve orta mesafe koşulları için çok güzel.
Gianmarco S.
Reviewed in Italy on June 6, 2024
Ho comprato questo prodotto per le mie uscite di allenamento per la corsa. Prima del primo utilizzo ho lavato la borraccia con detersivo e limone per togliere l’odore di plastica e lasciato a mollo per 1 notte. Con questo lavaggio non ho sentito il retrogusto della plastica/silicone della borraccia. Sicuramente richiede un lavaggio frequente, soprattutto dopo l’utilizzo. Trovo questa tipologia di prodotto utile perché flessibile e poco ingombrante. La capienza è perfetta per allenamenti non troppo intensi come i 10-15 km di corsa. Il corpo della borraccia, che risulta essere in gomma flessibile, risulta ben saldata con della colla sulla parte superiore (parte vicino il boccale); spero che duri nel tempo.
Kurt
Reviewed in the United States on May 28, 2024
I recently purchased the FITLY Soft Flask - 12 oz (350 ml) for my running and hiking activities, and it has quickly become an indispensable part of my hydration setup. This soft flask offers a range of features that make it ideal for anyone needing a compact and efficient water bottle for outdoor activities.The design of the FITLY Soft Flask is excellent. The flexible material allows the bottle to shrink as you drink, reducing its size and minimizing sloshing. This feature is particularly useful during runs or hikes, as it ensures the flask remains compact and comfortable to carry. The flask is also lightweight, making it easy to include in my hydration pack or running vest without adding unnecessary bulk.The build quality is impressive. The flask is made from durable, BPA-free materials that are safe and long-lasting. Despite being soft and flexible, it feels sturdy and capable of withstanding regular use. The wide mouth design makes it easy to fill and clean, which is a significant advantage over some other hydration solutions.The cap and nozzle design are both practical and user-friendly. The cap seals tightly, preventing any leaks, and the nozzle allows for easy sipping on the go. It's simple to operate with one hand, which is perfect for maintaining momentum during activities like running or cycling.One of the standout features of this soft flask is its portability. When empty, it folds down to a small size that easily fits into a pocket or pack. This makes it convenient to carry as an extra water source or for use in situations where space is at a premium.Overall, the FITLY Soft Flask - 12 oz (350 ml) is a fantastic hydration solution for runners, hikers, cyclists, and outdoor enthusiasts. Its durable construction, practical design, and compact size make it a highly convenient and functional water bottle. I highly recommend this soft flask for anyone looking for an efficient and reliable way to stay hydrated on the go.
redbluff
Reviewed in the United States on December 9, 2024
I love the size and shape. It fits perfectly in my sling bag. I should have payed better attention to the directions regarding neutralizing the horrible plastic taste it imparts to water. Trouble is that these methods are only marginally useful and do not last for long. If you leave the water in the bladder for a whole day in warmish weather it will taste horrible. The manufacturer has got to know this and trusts you to buy a product that won't pass the taste test. I got taken pure and simple. My fault for not reading the reviews.I brought this bladder to Indonesia planning for it to function and it failed miserably..... So did I for not doing better homework.
esb
Reviewed in the United States on November 29, 2024
The size and function of this is just right. But, as others have said, there is a taste/smell that I can't seem to eliminate. I tried vinegar and baking soda, and then tried extended soaks with the same. I managed to decrease the taste and smell somewhat. The flask is so portable and well-designed that I just use it and try to overlook the taste.
Michael Fil
Reviewed in the United States on October 18, 2024
Very compact and leak proof. Unfortunately, it's a little difficult to clean inside of the rubber mouth piece. After a few uses, I had to toss it.
Trix
Reviewed in Canada on March 19, 2023
I love using soft water bottles because they don't take up much space. They are lightweight, flexible and collapsable which is ideal for when I go running! And this one fits perfectly into my waist bag :) It's also leakproof and I did not notice any bad taste in my water plus I really like this type of mouthpiece!
Customer
Reviewed in Canada on November 29, 2023
Filled it with water and left it on the counter. It leaked.Tried to tighten it up even further, kept leaking. Useless
ANTONIO G.
Reviewed in Spain on October 4, 2023
Después de probar varias marcas y precios, entre ellas las de decathlon, os puedo asegurar que esta pequeña y flexible botellita es cómoda de llevar en bolsillos de mallas o mochilas de Trail. Lo mejor de todo es que el agua NI SABE a plástico, como si me pasaba con las anteriores compradas. Muy recomendable. También he vomitado la de 500 ml.
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