We started OASSAY with a question: Why does every portable water purifier feel like a compromise? Some are powerful but exhausting to use. Some are light but flimsy. Almost all of them look like they belong in a survival kit, not in your life. We believed outdoor gear could be both powerful and beautiful — engineered for real safety, designed for people who care about how things work, look, and feel. So we built it ourselves.
01

+ 2 Y

Over 2 years of design, we developed 14 versions before it's finally released.
02

+ 175

Over 180 real-world water samples are collected and tested in the field.
Image
Image
Image
Image

E v e r y   f i l t e r   i n d i v i d u a l l y   t e s t e d .   O l y m p i c - g r a d e   c o a t i n g   o n   e v e r y   t i t a n i u m   c u p .   M e d i c a l - g r a d e   m a t e r i a l s   t h r o u g h o u t .   W e   b u i l t   O A S S A Y   f o r   p e o p l e   w h o   r e f u s e   t o   c o m p r o m i s e   —   i n   t h e   c i t y   o r   o n   t h e   t r a i l .