Apparatuses and methods for providing thermal treatment to a foot and ankle of a wearer are provided. An example apparatus may allow applying cold or heat to the foot and ankle of the wearer through a liquid contained in one or more hollows in a top portion or a sole portion of the apparatus. The top portion may have a form of a boot and include a fluid-tight material. The top portion may be filled with the liquid using a top portion filling member disposed on an upper part of the top portion, then the top portion filling member may be sealed using a top portion sealing member. The sole portion may be attached to the top portion removably or non-removably. The sole portion may include a hollow, which may contain the liquid or be filled and emptied using a sole portion filling member and a sole portion sealing member.