Simplicity sewing pattern 2303: Dog Clothes. For large and extra large dogs. Extra large sized dog coats sewing pattern. Simplicity pattern 2303. Suitable for dogs weighing with a body length from 30" to 34" (76cm to 86.5cm) measured from base of the neck to base of the tail, and from 30" to 36" (76 cm to 91.5 cm) chest. Number of Looks included:4