These tall winter boots feature a synthetic leather upper with buckle detailing at the ankle and upper shaft. The upper shaft also features an expandable panel allowing it to adjust to calves for a comfortable fit. A full-length side zipper provides an easy on-and-off. Inside, a cozy lamb's wool lining is enhanced with TEX, a water repellant, moisture-wicking membrane to keep feet in warm dry comfort. A removable insole provides shock-absorbing cushioning and support. A lightweight, flexible, durable, TR rubber sole delivers non-slip grip and shock-absorbing traction. Heel height: 1.1 inch.