Patent ID: 8522366

Claim:
A method of providing a temperature gradient from a cold pack to a human foot and heel, during treatment of a patient undergoing chemotherapy treatment, comprising: (a) providing a sock; the sock consisting of a sock body having a leg portion, a foot portion, a turned heel, a toe portion with a closed end and a leg opening; the foot portion having a top surface and a bottom surface, the turned heel having an angular junction between the foot portion and the leg portion, the leg portion extending upwardly from the turned heel portion to the leg opening for insertion of a human foot; and a pocket permanently attached to the bottom surface of the foot portion and to the turned heel portion, the pocket having a first opening and a second opening, the pocket having a length and a width, the length of the pocket extending from the turned heel to the bottom surface of the foot portion adjacent to the toe portion; the first opening located at an end of the length at the turned heel and the second opening located at an opposite end of the length at the bottom surface of the foot portion; b) providing a cold pack; (c) inserting a human foot and heel into the sock body; and (d) inserting a cold pack into the pocket, through at least one of the first opening or the second opening during chemotherapy treatment, the cold pack being in heat transmission relationship with a sole and heel of the human foot through the bottom of the foot portion and the turned heel portion of the sock body during the chemotherapy treatment, to relieve the effects of hand-foot syndrome.