After knitting and wet processing, socks normally are hot-pressed into the two-dimensional shape of a lower leg and foot, in a process called “boarding.” Various technologies are used for boarding, but all involve the use of a boarding form, steam, heat, and pressure. Boarding of cotton socks is a method of pressing for packaging and shape retention. For blends containing stretch fibers, such as spandex, or thermoplastic fibers, such as nylon or polyester, the boarding temperature can be high enough for heat setting, which will give the sock a memory for the shape in which it is boarded, reducing shrinkage.
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