Memory foam bootie slippers. Consider ordering one size up. The shaft measures approximately Mid-Calf from the arch. Sherpa fleece upper and lining keep your feet toasty warm, V-shaped opening provides easy entry for your foot. Memory foam cushioning conforms to the contours of your foot and rebounds with every step. The durable design includes a microsuede upper, sturdy side seams, and a reinforced heel patch. Rubber sole with non-slip traction allows for indoor/outdoor wear; machine washable for easy care