Summer is almost here, which means more outdoor activities. Whether you're hitting the trails, the beach, or just your neighborhood, stay hydrated on the go by investing in a reusable insulated water bottle. A must-have for your summer necessities list, a water bottle that keeps drinks cold for 24 hours has a long list of practical benefits.

Girl with Dogs Holding Iron Flask Water Bottle

Stay Hydrated

It's a good idea to stay hydrated at any time of the year, but it’s especially important during warmer summer months. When the weather is hot and humid, it can cause you to sweat more, especially if you're exercising. Sweating means more fluids lost which will need to be replaced, along with an increased core temperature which is another way your body loses hydration.

To keep your body temperature balanced, drink cold water from an insulated water bottle that is designed to keep your drinks cold all day. Iron Flask is the best water bottle for hot weather — the specialized insulation technology will maintain the temperature of cold drinks for up to 24 hours, depending on bottle size and type.

According to guidelines from the CDC, experts recommend that you drink eight to ten glasses of water on a hot day. If you’ve been sweating profusely or exercising for an hour or more, you should also include a sports drink with electrolytes for maximum hydration.

But it's not just the amount of water you drink that's important — it's also the frequency. Sports nutrition experts from FamilyDoctor recommend pre-hydrating for two to three hours before exercising; 17 to 20 ounces of water is the best amount for preventing heatstroke and dehydration symptoms such as muscle cramps, fatigue, dry mouth, and headaches. When you're working up a sweat in the sun, take small, frequent sips from your water bottle every 10 to 15 minutes. Look for one with a long, flexible straw, which will give you quick and easy access to hydration when you're on the move.

Save Money

While plastic water bottles are very convenient when you need fast hydration, they can be expensive if it's your main source of drinking water. In contrast, the best reusable water bottle for saving money is one made with ultra-durable materials like stainless steel, which will last for many years if you take care of it and wash it every day.

A reusable steel water bottle is a low one-time cost, with typical price points ranging from $4–7 depending on the model and add-on accessories. In comparison, a store-bought bottle of water costs anywhere from $2–6 depending on size and brand, and is one-and-done. Considering that the average American buys an average of $167 disposable plastic water bottles a year, you'll save approximately $266 when you make the switch to a reusable insulated water bottle like Iron Flask.

Look Stylish

Across generations, a reusable insulated water bottle is the accessory of choice. Say no to plastic and invest in a sustainable bottle that looks good and is good for the planet. An easy way to style your reusable water bottle is to match it with your ensemble. Reusable bottles are available in every style and color you can think of, meaning you can easily pick the one (or more) that fits your ‘fit and your personality. Accessories like a protective boot add an additional color pop while keeping your bottle safe from dents, scuffs, and the daily wear-and-tear of staying hydrated on the go.

Save the Planet

As a conscientious consumer, you can say no to plastic when you make the affordable investment in a reusable water bottle, the more sustainable option. One of the most widely used single-use plastics, plastic bottles are terrible for the environment. According to researchers, the entire life cycle of plastics has harmful effects on the environment. For one, plastic production in 2015 was the equivalent of 184.3 to 213 million metric tons of carbon dioxide, which equals 45 million passenger vehicles in one year.

Plastic bottles can be recycled but only a small percentage ends up being turned into something of equal or greater value for repurposing. The rest gets thrown in the landfill to be incinerated or broken down over time through exposure. In fact, about 50 million plastic water bottles end up in the environment and not the recycling center. And in the long-run, plastic does even more harm as it breaks down for hundreds of years, releasing harmful chemicals into the soil and atmosphere.

Plastic bottles can end up in oceans, rivers, and other bodies of water, polluting them with microplastics. A recent report estimates that the ocean contains around 8 million pieces of microplastics per cubic metre. While you might not be able to see these small bits of plastic in the water, it can cause damage to complex ecosystems.

With experts predicting an increase in the demand for plastics in the future, there seems to be no end in sight for this alarming trend in plastic pollution. But with a reusable water bottle on your shopping list, you can do your part by not buying plastic water bottles and contributing to the demand.

Stay Healthy

The best reusable water bottle for safe, non-toxic hydration is a stainless steel bottle. These reusable bottles are sturdy, never rust, and are easy to keep squeaky clean day-to-day. Simply scrub with a bottle brush using warm soapy water, let dry completely, and enjoy healthy hydration that is free of bacteria and chemicals.

In contrast, plastic water bottles contain BPA, a common chemical found in many single-use plastics. Making up the foundation of polycarbonate, BPA is a known endocrine disruptor that mimics essential hormones like estrogen. Exposure to BPA has been linked with fertility problems in humans regardless of gender and similarly impacts the health of many wildlife species and marine mammals.

An easy way to limit your exposure to BPA is to stop drinking from plastic bottles. And having a reusable water bottle on hand at all times will stop you from buying plastic water bottles when you need quick and convenient hydration. When shopping for a reusable water bottle, look for a stainless steel design with a BPA-free plastic lid, the safest, healthiest option available.

This summer, get the most mileage out of your daily adventures. Stay hydrated with an insulated water bottle like those Iron Flask offers — the functional, eco-friendly trend that's here to stay.