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Now Available on Amazon.com & Walmart.com — Free Shipping with Prime

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Person rock climbing indoors with ThermoProof water bottle nearby

Built To Keep Up

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Tough, insulated bottles engineered to survive the elements — and keep up with your longest days.

Man and woman holding ThermoProof insulated stainless steel water bottles outdoors
Three ThermoProof insulated water bottles in neon green, lavender, and pink
Woman hiking outdoors drinking from a light blue ThermoProof insulated water bottle

Choose Your Right Size ThermoProof

Find Your Size

Black ThermoProof 18 oz insulated stainless steel water bottle held outdoors

18 oz Everyday Carry

Light, compact, and commute-ready.

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22 Ounces

32 Ounces

Person holding a pink ThermoProof insulated water bottle

22 oz The Everyday Go-To

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Our most popular size — gym, desk, or trail.

32oz ThermoProof water bottle with silicone carrying handle

18 oz Everyday Carry

Light, compact, and commute-ready.

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22 oz The Everyday Go-To

Our most popular size — gym, desk, or trail.

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32 oz All-Day Hydration

Maximum capacity for long hauls and big workouts.

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32 oz All-Day Hydration

Fresh Shades for Warmer Days

Brighter days call for bolder bottles. Electric Lime, Lavender, and Raspberry — a limited spring run, built with the same 24-hour insulation that keeps every sip exactly how you like it.

Pick your shade

Only at Amazon.com & Walmart.com

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Walmart
Pink ThermoProof insulated stainless steel water bottle held outdoors

Built to Outlast - Available in 18 oz / 22 oz / 32 oz

18/8 Stainless Steel

Premium food-grade steel that won't rust, crack, or hold odors.

Dishwasher Safe

Toss it in the top rack — clean, easy, every time.

24-Hour Cold, 12-Hour Hot

Ice-cold for 24 hours, piping hot for 12.

No sweat, no warm-up.

Wide Mouth, Zero Leaks

Fits ice cubes easily, seals tight — zero spills in your bag.

100% BPA-Free

Pure taste, safe sips. No plastics, no chemicals, no aftertaste.

Easy to Carry

Soft-grip carry handle that loops onto bags, hooks, and carabiners.

Field Tested by Everyday Life

  • ★★★★★
    "I spent 12 hours outside in the hot Florida sun for 4 days this week. Not one day did the ice melt away. The drinks were always freezing cold. A perfect purchase!"
    — Verified Amazon Review

    Margie

  • ★★★★★ Love strawless

    "Love this as a light, leakproof travel bottle. Easy to pack and carry! Value is great."

    — Verified Amazon Review

    Jana Hamilton

  • ★★★★★  Thermal bottles, ALL DAY ice cold drinks

    "Your drinks stay ice cold for almost 24 hrs and you run out of liquid before the ice melts. I highly recommend this thermos. I only wish it had a strainer to keep the ice from getting in my mouth.
    I like the gray and black, and also the pink."

    — Verified Amazon Review

    Luvinslothcrafts

  • ★★★★★ Worth it

    "This is the second one I've purchased. I got it for my husband... he likes the pour spout on it. He dropped the first one and cracked it at work, but he loved it so much he just kept taking it with a leaking lid. He was ecstatic when I gave him a brand new one. Highly recommend 👌"

    — Verified Amazon Review

    Amazon Customer

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