Ultralight 200g build: Enhances portability and reduces fatigue during travel or outdoor activities
Copper-plated interior: Blocks thermal radiation for improved heat and cold retention
Electropolished stainless steel: Prevents staining and reduces odor buildup
Versatile carrying options: Includes a dedicated strap for hands-free or hands-on use
Field-tested performance: Maintains beverage temperature in extreme conditions
Summarized by Shop
A new stainless steel bottle you’ll want to take with you wherever you go, whether commuting or climbing a snowy mountain.
The FLASKER is one of Rivers’ most popular products.
The FLASKER is the first vacuum flask developed by Rivers, and is notable for its design, which goes against the times by not merely going along with typical cylin
Material
Stainless steel bottle, polypropylene lid, silicone rubber lid plug
