[For Solo Camping] How to Choose a Cooler and Tips for Maximizing Its Cooling Capacity

Solo camping is the perfect way to get out and about on a whim. To fully enjoy the lighthearted freedom of solo camping, we recommend choosing the right cooler.

In this article, we’ll provide a detailed guide on how to choose a cooler for solo camping and share tips on maintaining its cooling performance.

If you want to safely enjoy delicious food and drinks even while solo camping, please use this as a reference.

Why You Need a Cooler for Solo Camping

In camping in general, including solo camping, the most important role of a cooler is to store food hygienically.

Especially during multi-day trips or summer camping, it’s crucial to keep the cooler at the lowest possible temperature to prevent meat and seafood from spoiling.

Additionally, keeping beverages like alcohol at the perfect serving temperature is another vital function of a cooler. By ensuring your cooler maintains its cooling capacity, you can enjoy ice-cold beer even while outdoors.

How to Choose a Cooler for Solo Camping

When choosing a cooler for solo camping, keep the following four points in mind.

• Hard-Sided or Soft-Sided
• Capacity
• Type of Insulation
• Functionality

How to Choose #1: Hard-Sided vs. Soft-Sided—Different Features

Coolers are broadly divided into two types: "hard-sided" and "soft-sided." Each has its own advantages and disadvantages, so it’s best to choose the one that suits your intended use and camping style.

Choose a "Hard Cooler" for superior cooling performance

The biggest appeal of "hard coolers" is their superior cooling performance. Compared to soft coolers, they have thicker insulation and a tighter seal, allowing them to maintain their cooling power until the very end, even during multi-night camping trips or summer camping.

Additionally, if the hard cooler is sturdy enough, it can be used as a chair or table.

However, a drawback is that they are heavier than soft coolers and require more storage space.

"Soft Coolers" Excel in a Variety of Activities

Unlike hard-sided coolers, which use rigid materials, "soft-sided coolers" are made of fabric.

The biggest appeal of soft-sided coolers is their portability. They are lighter than hard-sided coolers and, because they are made of soft material, can be folded up when not in use. This means they take up minimal storage space at home.

Also, unlike hard coolers, they are slightly flexible, so you can squeeze them into tight spaces in the trunk of a car.

Because soft coolers are easy to carry, they’re useful not only for camping but also for picnics, trips to the beach, and watching sports. They’re also recommended for everyday use as shopping bags.

Although their cooling performance is inferior to that of hard coolers, in recent years, soft-sided models with quite high cooling performance have appeared on the market.

How to Choose #2: Determine Capacity Based on the Number of Nights

Cooler boxes are available in a wide range of capacities. Even for solo camping, the amount of food and drinks you’ll need increases with the number of nights, so if you’re planning a multi-night trip, it’s best to choose a slightly larger model.

For a one-night solo camping trip, a compact model of about 10–20 liters is sufficient. For a two-night trip, you’ll need a capacity of 20–30 liters.

How to Choose #3: There Are Three Main Types of Insulation

Cooler boxes primarily use the following types of insulation:

• Vacuum insulation panels
• Foamed urethane
• Expanded polystyrene

The type of insulation material significantly affects both "cooling performance" and "price range." Consider the season you’ll be camping in and your budget to choose the cooler with the most suitable insulation material.

－Vacuum Insulation Panels

"Vacuum insulation panels" offer the highest cooling performance of any insulation material. They create a vacuum inside the cooler’s walls, minimizing heat transfer to the absolute minimum. Some models can keep ice from melting for over a week.

However, vacuum-insulated cooler boxes are often expensive, and it’s not uncommon to find products costing over 50,000 yen.

－Polyurethane Foam

Next to vacuum insulation panels in cooling performance is "foam urethane" insulation. Unless you’re camping in the height of summer, foam urethane can maintain its cooling power until the very end of a multi-night camping trip.

For solo camping, many products are priced around 10,000 yen, making it an insulation material that offers a good balance of functionality and price.

－Expanded Polystyrene

"Expanded polystyrene" insulation has the lowest cooling capacity. Most products maintain their cooling capacity for one day or less, making them suitable for day camps or picnics during cooler seasons.

It is the most affordable of the three insulation materials, and for solo camping, you can purchase one for around 3,000 yen. Additionally, you can buy coolers made entirely of expanded polystyrene at home improvement stores and dollar stores.

Another advantage is that it is lighter and easier to carry than products made with other insulation materials.

How to Choose #4: Check for Functionality

There are many coolers on the market equipped with various features. Choosing a model with features suited to your camping style will make your experience even more comfortable.

For example, some coolers feature raised edges to prevent food from falling off, allowing them to double as tables, or come with built-in drink holders. Models with internal dividers are extremely convenient for organizing food items.

Additionally, some models come with shoulder straps for easy carrying or drain plugs to make cleaning the interior a breeze.

Tips for Maintaining Cooling Power

By keeping the following four points in mind when using a cooler, you can maintain its cooling power for even longer.

• Use ice packs
• Freeze food in advance
• Avoid direct sunlight and placing the cooler directly on the ground
• Minimize the time the lid is open

Point 1: Use ice packs

Ice packs are essential for maintaining the cooling power of your cooler. Some ice packs are designed to stay frozen for extended periods, so be sure to use them for summer camping or multi-day trips.

Cold air tends to settle at the bottom. When placing ice packs, don’t just put them on the bottom—place them on top of the food as well to circulate the cold air throughout the cooler.

While ice packs can maintain a cold temperature, they cannot lower the temperature of lukewarm food or drinks. Placing hot food inside will cause the temperature inside the cooler to rise. To prevent this, make sure to chill your food and drinks beforehand before putting them in the cooler.

Also, during multi-day camping trips, the ice packs may melt completely before the trip is over. If there’s a convenience store nearby, we recommend buying some ice blocks to use as a substitute for the ice packs.

Tip 2: Freeze Food in Advance

Foods such as meat and seafood, as well as bottled beverages like tea and juice, can also act as ice packs if frozen beforehand. For food and beverages you won’t use immediately upon arriving at the campsite, it’s a good idea to freeze them at home in advance.

Tip 3: Avoid Direct Sunlight and Direct Contact with the Ground

When a cooler is exposed to heat from the outside, that heat gradually seeps into the interior. You must take care to minimize heat exposure from the outside as much as possible.

Be sure to place the cooler under a tent or tarp so that it is not exposed to direct sunlight.

If you place it directly on the ground, the ground’s heat will transfer to the cooler. You must place it on a cooler stand, mini table, or slatted rack to keep it off the ground.

Tip 4: Minimize the time the lid is open

To prevent the temperature inside the cooler from rising, it is important to keep the time spent opening and closing it as short as possible.

If the contents are disorganized, it’s hard to see where everything is, and it takes time to retrieve items. By using dividers to organize your food, you’ll know exactly where everything is and can quickly grab what you need.

TOKYO CRAFTS Coolers

Next, we’ll introduce TOKYO CRAFTS’ cooler boxes, perfect for solo camping. We’ll also introduce complementary products that, when used with the cooler boxes, will make your camping experience even more comfortable.

Kiba Soft Cooler

For solo camping trips where you just want to head out on a whim, this lightweight, easy-to-carry soft cooler is ideal. It’s also highly recommended as a handy camping accessory.

TOKYO CRAFTS Kiba Soft Cooler” has a 10L capacity, making it perfect for a one-night solo camping trip. It comes with a convenient shoulder strap, allowing you to enjoy camping with ease.

The underside of the lid features a mesh pocket for ice packs. It utilizes the natural tendency of cold air to settle at the bottom, efficiently circulating cool air throughout the entire cooler.

It comes with a divider to split the interior into two sections. This helps you organize your items, making it easy to see what’s where and grab ingredients quickly.

Even more convenient when used with the COORDUNIT!

The "COORDUNIT," part of TOKYO CRAFTS' popular series, is the perfect companion for the "Kiba Soft Cooler." The COORDUNIT is a versatile system that can be used on its own as a mini-table, stacked as a shelf, or connected side-by-side to create a larger table.

You can hang the soft cooler from the Cord Unit’s stand. By keeping the bottom of the cooler off the ground, heat from the ground won’t transfer to it, helping to maintain its cooling power even longer.

Additionally, the COORDUNIT can be used as a table by placing a top board on top while the Soft Cooler remains attached. It takes up minimal space, even in tight solo camping spots, allowing you to create a neat and tidy tent site.

The Kiba Soft Cooler can be mounted on the Cord Unit stand not only vertically but also horizontally. When mounted horizontally, you don’t need to remove the top board—you can simply reach in from the side to retrieve your food.

Find the perfect cooler for solo camping!

A cooler box keeps food fresh and drinks at the perfect temperature. It’s an essential item for solo camping, where cooking and evening drinks are the main highlights.

Depending on how you use it, a cooler can maintain its cooling power for even longer. By keeping the points mentioned here in mind, you can maximize your cooler’s cooling performance.

Be sure to choose a solo camping cooler that perfectly suits your camping style, so you can enjoy a more comfortable and delicious camping experience.