Sorel Women's Mackenzie Holiday Plaid Boots. These mid-calf winter boots feature a purple and black checkered wool upper, brown suede and leather paneling, and a cozy sherpa or fleece lining for warmth. M Materials: Durable suede and water-resistant leather uppers with a wool textile shaft. Design: A rustic, holiday-inspired aesthetic with a buffalo plaid graphic. Designed for cold weather and winter activities like snowmobiling or sledding, featuring a rubber sole for traction.