Osaka, Japan — est. 2000

From the trailhead to the kitchen table.

Minimalist drinkware engineered in Japan for three terrains: the daily routine, the wandering journey, and the mountain path.

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Bottle SUI
Capacity 340ml
Weight 51g
Feature Wearable

01Daily

The commute mug, the desk bottle, the jug that keeps coffee hot through a workday.

02Journey

Cup-holder-sized, carry-on-friendly, built to ride in a side pocket across time zones.

03Destination

Ultralight flasks and grinders that earn their grams on the trail and at camp.

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Carried further, used daily.

RIVERS gear isn't made for the shelf. A wall mug rides the morning train; the same flask summits a ridgeline that weekend. Every gram, seal, and grip is engineered to work as hard on the mountain as it does on the kitchen counter.

ELEVATION — ONE BOTTLE'S WEEK
MON — DESKTHU — AIRPORTSAT — SUMMIT