![]() However, it can be found in all different styles of shoes, as it can be soft and flexible, or hard and stiff, depending on its density and formulation.Ĭlosed Cell PU (Polyurethane): also a common foam for shoes, PU foam is “blown” into molds. The density, compression set, resistance, and breathability of each type of foam are all important variables to consider while choosing foam for your shoes.ĮVA (Ethyl Vinyl Acetate): this is the most common midsole material in sports shoes as it is lightweight, durable, easy to form and resists compression. ![]() Closed Cell : this foam is sealed, not allowing the foam’s internal gas to escape, making it denser - midsoles of shoes are all made from closed cell foam.In most shoe uppers, thin sheets of PU foam serve as a foundation for fabric it allows the stitching to sink in and gives mesh extra support while minimising wrinkles The foam in the tongues and collars of shoes is made from this material. Open Cell : this foam is generally soft and is available in different densities and in almost any thickness and colour.The properties of different foams are determined by the composition of plastics, the size of the bubbles, and their form.įoam is generally divided into two categories: So what exactly is foam, and how does it work?įoam is a soft plastic with air bubbles trapped inside. We'll discuss the different types of foam materials available, as well as some of the pros and cons of choosing them. In this blog post, we will provide a complete overview of foam shoes so that you can decide if they are the right choice for you. If you're in the market for a new pair of shoes, you may be wondering what type of material to choose.įoam shoes are a great option because they are lightweight and comfortable.
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