PROJECT SF1 SOFT FLASK sealed with high-frequency welding

sealed with high-frequency welding

versatile add-on made to keep hydration always within easy reach

Built for more than one setup

or adventurer

this packing cube is the perfect companion for keeping your gear organized and accessible on the go

PROJECT SF1 SOFT FLASK sealed with high-frequency weldingThe 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.