Mullbär
Size. How much do you need to carry?
Cap. Sleek or tethered?
What's inside is up to you.
Safe
Food safe and toxin free—tested to the last detail.
Durable
Lab glass and austenitic steel—built to last.
Light
Starts at 329g—easy to carry, wherever you move.
Smart
One system—modular, adjustable, stays around for longer.
Safe
Food safe and toxin free—tested to the last detail.
Light
Starts at 329g—easy to carry, wherever you move.
Durable
Lab glass and austenitic steel—built to last.
Smart
One system—modular, adjustable, stays around for longer.
A new kind of bottle.
Made to sync with your every move—from sofa to summit, to wherever the day takes you.
Engineered for real life.
Stay clean, easy.
Opens in seconds for a thorough clean—by hand or machine.
Switch it up.
Infuse, shake, or brew—removable inners adjust your bottle to your mood.
Keep it cool—or hot.
Steel keeps hot for 8h, cold for 16—hybrids just enough, with comfort in hand.
Be smooth.
A first in glass—no outer threads, just cleaner lines and smoother sips.
Austenitic Steel
316 stainless steel meets your drinks, 304 grade meets your hands. No linings, no metallic taste.
Food-safe Coating
LFGB-certified powder coating—tested to meet highest food-contact standards. Never touches your drink or lips.
Natural Silica Rubber
Food-safe, odourless, and heat-resistant—made from natural rubber and silica. Keeps things tight, easy to keep clean.
Borosilicate Glass
Laboratory grade glass, with thermal shock resistance. No leaching, no staining—just clear and smooth sips.
Pure Cotton Packaging
Bottles arrive in reusable cotton bags—no shiny extras and throwaways. Just smarter packaging that lives on.
Bootle in real life.
Bootle in real life.
