Simply Built Different

  • Superior Insulation

    Heat rises, cold falls. It's simple science. Our patent-pending tapered design integrates R-20 insulation in the top and expands to an astounding R-60 at the base, far outperforming anything on the market. Beware of companies that say "fully-insulated" without telling you what their R-value actually is.

  • Patent-pending Vortex

    Static water warms around your body to create a thermal barrier — that’s why we made our plunge with a shape that creates our patent-pending active vortex current when paired with the recommended pump and fittings so you experience true, uninterrupted cold therapy from start to finish.

  • Safety First Design

    From a child-safe locking lid to rock-solid rotomolded construction, every detail is engineered with your family’s safety at the forefront. Recovery should be refreshing — and worry-free.

Fully Customizable

Our plunge is designed to integrate with any chiller and filter, and if specified at checkout will come with all the correct fittings for a seamless installation. We guarantee that with any given chiller, our plunge will outperform any other plunge on the market with that same chiller.

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Extra Large Design

With a 36-inch interior entry diameter, this spacious, ergonomic tub is built for full-body submersion—no compromises. Comfortable for users up to 6'6″ to fully submerge.

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Your Plunge. Your Style. Your Color.

Over 100 different color options for your plunge and lid so performance is also personal. No compromises. No extra charge.

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Safety-First Design

Your family's safety is paramount. That's why we added an integrated patent-pending lock design for your family's safety and your peace of mind.

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Built to Outlast Everything

Your investment should last. That's why our cold plunge is made from rotationally-molded polyethylene for a plunge that is virtually indestructible. It won't break. It won't crack. It won't pop. It's built for the wild, and it's designed for your garage, gym, or backyard.

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Perfect for any Lifestyle

All Cold Plunge Questions Answered

What are the benefits of cold plunging?

Cold plunging can help reduce muscle soreness and inflammation, speed recovery, improve circulation, sharpen mental focus, and boost mood. Plunging can create an incredible boost in dopamine, norepinephrine, and endorphins that can last for hours. Many users also report better sleep, increased energy, and lower anxiety after consistent use. Studies show many other benefits such as a release of cold-shock proteins in the body as well.

Is cold plunging safe?

For most healthy adults, yes. Start slowly, listen to your body, and consult your doctor if you have heart conditions, high blood pressure, or other health concerns. POLR is designed with safety features like a child-safe lock and easy access lid.

How long should I cold plunge?

Beginners often start with 1–2 minutes at 50–55°F. Over time, many people aim for 2–5 minutes at 37–45°F a few times per week. Always exit if you feel numbness, dizziness, or discomfort.

How often should I use a cold plunge?

Many athletes and wellness enthusiasts plunge 3–4 times per week, while others make it a daily routine. Even short, regular sessions provide benefits.

What’s the best temperature for a cold plunge?

Research suggests the sweet spot is between 37°F and 55°F. POLR is engineered to consistently hold water as low as 37°F, even in hot climates.

Does cold plunging help with weight loss or fat burning?

Cold exposure can activate brown fat, which may increase calorie burn. While it’s not a replacement for diet and exercise, many see it as a valuable complement to overall wellness.

Can kids or older adults use a cold plunge?

Always check with a healthcare professional first. Children, older adults, and people with certain medical conditions should use extra caution. POLR’s lock system ensures safety when not in use.

Discover The POLR Difference

How cold does it get?

POLR holds water down to 37°F and keeps it there with up to R-36 insulation, even outdoors in summer heat.

Some POLR users have gotten their plunges as cold as 33°F.

Does POLR work with ice?

Yes! Because of POLR's incredible insulation, it is the best plunge on the market to partner with ice. However, many other users prefer to use a chiller, and our plunge can integrate with any cold plunge chiller. Whichever way you go, we've got you covered.

How do I keep the water clean?

A separate filter and whirlpool circulation system keep debris out of your plunge. POLR is also compatible with affordable Intex pool filters for easy swaps. If you desire long periods between water changes, we recommend some type of water sanitation such as light chlorine, bromine, or hydrogen peroxide. Other users prefer fresh-water, which is great! Depending on how clean you are when you enter your POLR plunge, you could go 1-2 months between needed water changes.

Is it safe for families?

Yes. POLR includes a patent-pending child-safe lock and durable rotomolded design, so you can plunge worry-free.

What’s included with delivery?

Each unit comes with the plunge tub, integrated lockable lid, any needed fittings for your setup, and a step-by-step setup guide.

Where can I place it?

POLR is built for garages, patios, gyms, or outdoors year-round. Our plunge is made from rotomolded polyethylene for a plunge that is incredibly tough.

What’s the warranty?

Every POLR plunge comes with a multi-year warranty and U.S.-based customer support.

How big is a POLR plunge?

Our plunge is 42 inches in outside diameter, and 49 inches tall with the lid on. It's rugged design is designed for the outdoors and will NOT fit through a standard door frame. Empty, it weighs about 170 pounds, and holds about 130 gallons of water when full.