Oct. 07, 2024
Whether it's your first time shopping for work boots or your hundredth, you might not think about midsoles when you're deciding which features to look for in your next pair. Sandwiched in between the outsole, which makes contact with the ground, and the insole, which makes contact with your feet, the midsole is literally the hidden secret of a good work boot. As the layer that binds the inner and outer parts of the sole together, the midsole is the most important part of a shoe or boot when it comes to absorbing shocks and protecting your feet from the routine stress of a job that keeps you on them all day long. Just like every other feature of a work boot, not all midsoles are created equal. So how do you decide what kind of midsole you need? Let's compare two of the most common midsole materials used in Thorogood's high quality work boots.
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We wouldn't blame you if you glossed over these terms when you saw them in one of our product descriptions. They don't exactly roll off the tongue! So let's start with the basics, including the names and abbreviations themselves.
Polyurethane, or PU for short, is a class of polymers held together by a molecule called urethane. You probably come in contact with PU more than you think. Capable of being formed into a variety of structures, such as the fibers that make spandex clothing and the foam that makes up your typical household sponge, this material is found in everything from furniture to skateboard wheels.
Our second material, ethylene-vinyl acetate, is known as EVA for short. EVA is a man-made material made of microscopic bubbles that create a surprisingly resilient, yet flexible, structure. Like PU, EVA has many applications in the modern world. It&#;s probably a part of your weather-resistant car mats, mouth guards, and ice cube trays!
But which one of these materials do you want in a midsole?
No one wants midsoles that give out on them or don&#;t stand the test of time. If a long lifespan is important to you, keep reading.
When it comes to durability and longevity, you can&#;t beat Polyurethane. This stuff is as tough as you are. It has a world-wide reputation of being resistant to wear and tear over extended periods. The long lasting power of this material makes it perfect for blue collar folks looking to not replace their boots frequently.
Although the durability is still good, EVA doesn&#;t stand the test of time quite like PU does. If you aren&#;t working in extreme weather, rough terrain, or unpredictable environments, this material can still be a great fit for your midsole! If you do find yourself in a rougher jobsite environment - EVA might not be the best option.
For most people who still work for a living, comfort is key when it comes to footwear. Let&#;s see which material helps keep your feet feelin&#; good.
Similar to point one, PU just knows how to stand the test of time! This material offers superior shock absorption, providing excellent support during long hours of use. Perfect for that overtime shift or long week you&#;ll be working! What really makes Polyurethane stand out is that it maintains cushioning properties even with prolonged wear, ensuring consistent comfort.
If you like that &#;light as a feather&#; feel, EVA is your best friend. Ethylene-vinyl acetate is exceptionally lightweight with excellent shock absorption, ensuring comfort throughout the day. There&#;s only one downside: EVA may compress over time, but generally this material will continue to provide a soft and cushioned feel.
A big part of comfort comes from weight, especially if you work a job that requires a lot of movement. Ready to see which midsole will keep you light on your feet? Let&#;s take a look.
PU does have that robust support that many manual labor workers enjoy, especially in heavy-duty work environments. However, this material is no match for EVA as far as weight goes. With Polyurethane, you can expect to have a heavier feel to your work boot. PU does provide a balance between stiffness and flexibility, offering stability while allowing natural movement.
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EVA definitely takes the cake on this one! Ethylene-vinyl acetate is significantly lighter than its PU counterpart, reducing your overall boot weight and minimizing fatigue. If you&#;re always on the move at work, EVA might be a dream come true for your ankles and legs. Less weight, more balance, extreme flexibility. It&#;s a win-win-win!
We know the kind of work you do doesn&#;t come with easy terrain. Whether it be muddy environments, sharp objects on the ground, chemicals or oil, you need boots that work as hard as you do. Let&#;s see the comparison!
Polyurethane is resistant to oil, chemicals, and abrasions, making it suitable for a variety of work environments. This tough material maintains structural integrity even when exposed to challenging conditions. If this sounds like your jobsite, PU might be the best move for your safety and comfort!
EVA is a light-weight and flexible material - so it&#;s not as hard hitting when we&#;re talking about protecting against harsh conditions. Generally Ethylene-vinyl acetate is less resistant to oil and chemicals compared to PU. Because it&#;s prone to quicker wear and tear in harsh environments, this midsole type is best suited for lighter-duty work.
Cost matters, especially when investing in a solid pair of work boots. We&#;ve listed the price comparison of Polyurethane and Ethylene-vinyl acetate below. Keep scrolling!
PU is on the higher end as far as cost goes. Typically Polyurethane is higher in cost compared to EVA, reflecting its durable and high performance nature. This work boot is definitely considered a long-term investment due to its extended lifespan and reliability.
EVA is lighter on the wallet when it comes to midsoles! Typically Ethylene-vinyl acetate is more budget-friendly than PU, offering a cost-effective option for those with budget constraints. EVA is a good choice for those seeking a balance between performance and affordability!
Polyurethane soles, popularly known as PU soles, are made from a new kind of organic polymer material. It has been hailed as the fifth big plastic, and is in the process of revolutionizing the shoe industry.
The current market size of PU soles is USD 4.55 billion and is slated to grow up to USD 5.79 billion by . Research suggests that APAC, or Asia Pacific markets are the biggest markets for PU soles, and for good reason. The sheer durability, affordability and comfort afforded by this sole makes it perfect for these markets.
PU sole has lower density than other soles along with a soft texture and high elasticity. This makes it perfect for foot comfort. It not only provides great wear and tear resistance but also has good bending resistance and high hardness along with great shock absorption.
Are you living in rainy climes? Don&#;t worry, it is water resistant and prevents slippage. The most important factor here is also that it is organic and thus environmentally sound.
It is a well-known fact that every shoe manufacturer and every shoe buyer looks for something which is not only long-lasting but also comfortable. This is exactly where the PU sole comes in. It provides an absolutely unmatched comfort, adaptability to pressure and has serious long-lasting mechanical properties that keep it going.
Come to think of it, PU soles have only two major competitors &#; vulcanized rubber and leather.
Having said that, both of these options have serious drawbacks which PU soles have successfully overcome like giving your feet space to breathe and rapid wear and tear among other things. But lately, with technological advancements there have cropped up other competitors like thermoplastic polyurethane and compact sprayed polyurethane with RPU technology. Now while these names might sound daunting and a little too hi-tech to be worn on the feet, their purpose is just that.
But having said that, PU soles are definitely more affordable than the other options available. And with the many advantages of this variety of soles it becomes almost a no-brainer to have a PU sole in the shoes of a range of types.
The great deal of comfort and shock-absorption ability make PU sole the prime choice for jogging shoes. Moreover, PU soles also offer superb slip resistance, limited wear and tear and low density. The last point is what also makes PU soles supremely light weight, making them perfect for running.Walking shoes need soles which can take a bit of a pounding. This makes it imperative to have a sole that can not only undergo rough use but also keeps the feet comfortable since walking shoes are worn for longer than running or jogging shoes.Because of the simple fact that they are so light-weight and resist wear and tear, they make for the perfect soles for safety shoes. To add to the list of their benefits, PU sole is also water-resistant, making the argument for it even stronger.Let&#;s face it, this is one of the biggest footwear markets out there, and PU sole, as you might expect, fits right into this space for all the reasons mentioned above.There is basically no limit to the market space that can be occupied by PU soles. From mere flip-flops to high-end leisure shoes, this humble polyurethane material is making its presence felt. The key factor that pushes PU soles at the top of the preference list for shoemakers is its long list of advantages and thus, its adaptability to different footwear.For footwear manufacturers around the world, PU soles are definitely at the top of their list.
For more information, please visit PU Sole Safety Shoes.
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