Sizes are achieved using different needle size. Pattern includes instructions for three sizes and three styles, fold up brim, a relaxed fit and a slouch.

Size 1 (fold up brim) is shown with color 4002, and has a gauge of 22 stitches over 4 inches in pattern.

Size 2 (relaxed fit) is shown with color 8401, and has a gauge of 20 stitches over 4 inches in pattern.

Size 3 (slouch) is shown with color 2435, and has a gauge of 18 stitches over 4 inches in pattern.

Pattern is very stretchy and is shown on a 19 inch head.