Abstract: A boot tool for a boot with a sheath height above the ankle and below the knee. A boot tool including a thin, tough, generally wide flexible thin plastic body with a long length in a longitudinal direction. The tool has a lower end that rests near the inside upper surface of the heel of a boot, a narrowing neck or collar portion adjacent the throat at a line drawn around the narrowest entry area into the foot portion of the boot, a long upper sheath portion that guides the heel of a foot through the sheath portion of the boot, and a top portion with a clip for attaching the boot tool to the top of the sheath.