Easy pull-on style has been pre-treated to be water and stain repellent. UGG® Signature Twinface sheepskin linings are treated on both sides to provide maximum softness and comfort. Genuine sheepskin-lined foam footbed offers comfort and warmth. Treadlite by UGG™ outsole provides increased traction, durability, cushioning, and flexibility. Measurements: Heel Height: 1 in Weight: 10 oz Circumference: 14 in Shaft: 8 in Platform Height: 1⁄2 in Runs a little large. Smoke free home.