Prosthetic socks are very important in order to ensure proper fit and function of prostheses. The correct number of socks and ply can enhance fit and function as well as prevent irritation to the residual limb. Prosthetic socks come in many thicknesses which can be adjusted to achieve the best fit. The residual limb, as with the body in general tends to fluctuate in volume. As a result, the volume of the socket can be modified with the number of plys of socks worn.
Prosthetic socks or cushioning gel liners are recommended to be worn to act as a protective layer over the residual limb. Prosthetic socks are measured by their thickness or “ply”, starting at 1-ply and going up to about 6-ply. As the volume of the residual limb decreases over the course of each day, additional layers or plies of socks can be added to keep the socket fitting snugly. For example, if a patient is currently wearing a 3-ply sock with a 1-ply sock over it (4-ply total) and the socket is loose, he may either add an additional 1-ply sock or remove all socks and replace them with one, 5-ply sock. For some people, multiple plies of socks may limit their ability to feel the limb inside the socket. However, exceeding the maximum 6 ply may warrant an appointment with the prosthetist for a re-evaluation.
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