A device is described that is configured to protect a joint of a wearer. The device includes a device cover structure having an interior surface of phase change fabric material that is placed toward the wearers joint and an exterior surface of unbroken loop fabric that comes in direct contact with external objects such as a mattress and/or other parts of the users body or that of another person while in their preferred position for sleeping, resting or reclining. The device also includes flexible elastic wraps for securing the device cover. The Device furthermore includes one or more protective pads inserted into a pocket formed in the device cover structure.
