What is 4-way stretch fabric? The term 4-way stretch refers to a specific construction of a fabric. To make a fabric such as wool or polyester more stretchy, the fibers are interlaced with elastane, a ...

Stretch fabrics are notoriously hard to process. When your old leggings wear out, they will probably end up in a landfill—even if you try to drop them off for recycling. But a Manhattan startup has ...

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