2114081 Sorel Youth Flurry Boot Perfect for deep snow. Waterproof upper, felt inner boot for warmth, and multi-directional lug sole for steady grip. Easy on and off. Upper: Durable water and wind resistant PU backed synthetic textile upper. Built in gaiter with barrel lock closure system and fixed elastic instep strap. Midsole: 2.5 mm bonded felt frost plug. Outsole: Injection molded waterproof thermal rubber shell with multi-directional lug outsole for enhanced traction. Insulation: Removable 6 mm washable recycled felt inner boot. Specifications Heel Height: 3/4 inch Platform Height: 1/4 inch Shaft Height: 9 1/2 inches Shaft Circumference: 13 3/4 inches Measurements based on size 1.