PROJECT SF1 SOFT FLASK
The SF1 Soft Flask hold up to 500 ml (17 oz) of liquid, is foldable, reusable, and weighs only 45g.
Flexible and easy to squeeze.
Wide cap allows easy re-fills and space for ice cubes.
The silica gel valve allows air to escape, compressing the flask as you drink to eliminate water bouncing inside.
The SF1 is the best way to start consuming fewer plastic bottles and hydrating responsibly.
See what customers think
Customer Reviews
Excellent product, love all the gear I bought from here.
With a fair amount of International travel coming up I thought this would be a great solution rather than lugging around a metal drink container.
The nozzle is great and it collapses down taking up minimal space when empty.
A nice wide mouth for easy filling and can take ice cubes.
Recommend rinsing it out with bicarb soda as while it isn't leaching any harmful chemicals there is a slight taste to remove.
A good product, and glad to be supporting a company trying to make the world a better place.
I love this flask, it is awesome, opening is big enough to put ice cubes into.
PROJECT SF1 SOFT FLASK
Gray flask