A flexible, rollable sole having a thin elastic or rubber cord attached thereto in parallel to and at a distance from the sole edge, the elastic cord fits around the ski boot at the junction of the sole and upper, the elastic cord extends around the boot at the level of the sole. The attachment may comprise a plurality of extensions of the plastic or rubber cord. In embodiments pair of soles sufficient to completely cover the toe and heel of the boot have a short gap therebetween. In embodiments a thin elastic hand holds a fabric upper body in place. Large loops allow a user to easily manipulated the device wearing ski gloves, a band, fastener or hook may be used to hold the device to its companion device or in the rolled up position or around the boot shaft while the user is skiing.