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Rubber a natural material that's heavier and more durable than PVC but is consequently more expensive. It's more flexible and comfortable than PVC, as well. A vulcanization process can improve the durability of the rain boots even more, reducing potential weak spots that might tear or damage over time.
Flexibility - EVA tends to be softer than rubber, which means it has more flexibility and naturally that means your EVA sneakers are more comfortable. Lightweight - The EVA is lighter than rubber which, combined with our merino wool uppers, makes for a much lighter shoe.
Tongue: It is a very flexible strip of material present in those shoes which employ shoelaces. The part of the shoe that makes contact with the top of your foot. On a lace-up shoe, it resides underneath the eyestay and laces. Soles: The sole is the entire part of the shoe that sits below the wearer's foot.
There are two main ways shoes are constructed; stitched and glued. High-quality shoes are almost always stitched. This means that the uppers and outsoles are stitched together with thread. Types of stitched constructions include Goodyear welt, blake stitching and storm welts.
With up to 30 individual components used to make up just one shoe, there is no wonder there is also an extensive list of terms used to describe each part of the shoe.
Thermoplastic Urethane (TPU) Boot Outsoles TPU is considered the 'all-rounder' of outsoles and the most commonly used amongst brands such as Steel Blue, KingGee and JB's Wear. It is an advanced form of polyurethane (PU) that is very study, abrasion resistant and flexible.
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 2023.
You usually find that most cheap shoes are made with rubber soles that are glued on, being that leather is more expensive a material than rubber. If they do use a leather, it is normally a very low quality leather or some hybrid, chemically processed leather that almost looks like plastic.
Synthetic leather is made out of plastic. The plastics typically used are polyurethane (PU), and polyvinyl chloride (PVC), also referred to as, vinyl.
There are actually all kinds of high-quality apparel and gear that are made with recycled plastic. Even the world of high fashion has started using it. Reason being, is that polyester and plastic bottles are made from the same substance - polyethylene terephthalate.
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