Otso Big Cap-350ml soft flask

OTSO Big Cap 350ml Soft Flask

Stay perfectly hydrated on every adventure with the OTSO Big Cap 350ml Soft Flask, the essential hydration solution for the modern athlete. Designed for maximum convenience and minimal weight, this flask is your reliable partner for trail running, marathons, trekking, and any high-exertion outdoor sport. Forget bulky, sloshing water bottles; embrace the freedom of lightweight, collapsible hydration that performs as hard as you do.

The standout feature of this flask is its innovative Big Cap design. The wider-than-standard opening revolutionizes how you refill and clean your hydration gear. Quickly top up your flask at aid stations without spills, add ice cubes to keep your drink cool on hot days, or easily mix in your favorite electrolyte powders. This smart design element saves you precious time and hassle, so you can focus on your performance.

Engineered for the demands of endurance sports, the OTSO Soft Flask compresses as you drink, eliminating annoying water bounce and sloshing. This not only provides a more comfortable and silent run but also significantly reduces the flask´s size as it empties. Once finished, it folds down into a pocket-sized package, freeing up valuable space in your running vest, belt, or pack.

Engineered for Peak Performance

Weighing just a few grams, the OTSO Soft Flask is foldable and has a capacity of up to 350 ml.

It complies with all safety regulations for the consumption of liquids stored inside.

Very easy to use, it is equipped with a bite valve.

A simple suction guarantees a sufficient liquid supply every time you want to drink.

Being foldable, it takes up very little space and can therefore be stored anywhere in our sports equipment.

Durable and leak-proof thanks to its valve system.

It is ideal for outdoor sports:

trail running, running, climbing, trekking, skimo, mountain biking.

CLEANING AND CARE OF SOFT FLASKS AND CUPS

Soft flasks and cups must be cleaned after each use, with water and soap, not just rinsed, especially if nutrition products containing artificial colorants are used.

Once washed, it is highly recommended to put them in the freezer until their next use, which eliminates possible bacteria and organic residues, as well as odors