Charlie's Sneaker FAQ and Glossary - Z

This FAQ and Glossary defines a number of terms used in regards to athletic shoes, Charlie, or sneakers.

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Zipper: An alternate closure device sometimes used on sneakers. Probably not as prevalent as Velcro.

Zoom AIR: A variant of Nike AIR where the AIR bag consists of two parallel fabric layers, connected with a large number of small fibers, and inflated with AIR. When compressed, the AIR in the Zoom AIR unit provides cushioning. When recovering from compression, the small fibers limit the amount of expansion. Zoom AIR provides a thinner AIR unit than would otherwise be possible. Appears to be the design in US Patent 4906502.

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Last Updated: 2 February 2017

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READERS PLEASE NOTE: Names of athletic shoe manufacturers, shoe styles, and technologies may be trademarked by the manufacturers. Charlie's Sneaker Pages uses these names solely to describe the shoes with the same familiar nomenclature used by the manufacturer and recognized by the reader.