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5.0
16oz BruTrek® Adventure Tumbler in Obsidian black – insulated travel mug
5.0
BruTrek® Tumbler Grab Bag – Insulated Drinkware – Planetary Design
5.0
Minimalist Mug Lid
Butterfly twist lid for original Planetary Design tumbler

Vacuum Insulation for Heat Retention

Double-wall vacuum insulation keeps your coffee hot for hours, not minutes. You'll taste the difference between a lukewarm cup and properly hot coffee at mile three of your hike. Our tumblers use the same insulation technology that keeps cold drinks icy through summer road trips, just in reverse for your morning brew.

Portable Design Fits Your Cupholder

We sized these tumblers to fit standard cupholders because a portable cup that tips over isn't portable at all. The tapered base of this outdoor camping tumbler slides into car, truck, and boat cupholders while the wider mouth makes pouring and cleaning simple. Available in multiple sizes to match your caffeine needs, whether that's a quick 12-ounce pour or a full 20-ounce thermos for long drives.

Leakproof Lids That Actually Work

A portable drink tumbler without a reliable lid is just a regular cup with extra steps. Our leakproof lids seal tight whether you're tossing your tumbler in a backpack or setting it on a dashboard. The spout design lets you drink without removing the entire lid, and the seal prevents spills when you're navigating rough roads or rocky trails.

Built for Hot and Cold Drinks

The same vacuum insulation that keeps your coffee hot through a three-hour drive keeps cold brew icy until lunch. You're not locked into one temperature; these tumblers adapt to whatever you're drinking. Pour hot tea before sunrise, rinse it out at camp, and fill it with cold water for the afternoon hike back.

Materials That Last Beyond One Season

We build these tumblers from stainless steel because it doesn't retain flavors, crack from temperature swings, or dent from normal use. The double-walled construction means the outside stays cool when you're drinking hot coffee and doesn't sweat condensation when you're drinking cold drinks. You can toss it in your pack next to electronics without worrying about moisture damage.

Straw-Compatible When You Need It

Some lids work with reusable straws for cold drinks, giving you options beyond the standard spout. If you prefer sipping iced coffee or smoothies through a straw, you're covered. The wide mouth accommodates standard straw sizes, and the lid design keeps everything secure during transport.

Choosing Your Travel Tumbler Size

Size matters when you're matching an insulated coffee tumbler to your routine. A 12-ounce cup works for espresso drinks and short commutes. A 16-ounce tumbler handles standard coffee shop pours. A 20-ounce option keeps you caffeinated through long meetings or extended trail time without refills.

Heat Retention Performance You Can Measure

Our vacuum-insulated tumblers keep drinks hot for 4-6 hours and cold for 8-12 hours, depending on size and starting temperature. That's not marketing speak; it's the real-world performance you'll get when you pour 180-degree coffee at 7 a.m. and still find it warm at lunch. Cold retention lasts even longer because ice melts more slowly in proper insulation.

Every purchase supports our Conservation Alliance partnership protecting wild places like the Boundary Waters. Your tumbler replaces disposable cups while funding concrete environmental action. Shop our collection and find the travel tumbler that matches your daily routine.