This pattern is intended to provide a mock-up. Though it might fit perfectly, it still might need some alteration. The Sleeve style is a slight loose pull over sleeve. Once a mock-up is made, it can be draped on the person to fit more closely if you want or even modify it to a buttoned sleeve instead of a pull over.
A note on the pattern, One Square equals 1 inch, There is no seam allowance on the sleeve, The red lines represent the sleeve. The green line is an optional seam line. I personally prefer putting the seam there and having the gore on the sleeve (maybe later I'll had my theory on this, but I find the sleeve more comfortable when fitted with the seam). The Armscye is not as smooth as I wanted, Right now there are made with two have circles. When making your mock-up, make sure that the line is more smooth like a sign wave, and should equal your armscye measurement. the width is correct. One Last thing, There is no seam allowance on the pattern.
If you notice that the image is missing grid lines, it is because the image size is greater then your screen resolution, and your browser as scaled the image to fit your screen. Either expand the image to full size or go back and pick a smaller pattern size (Large 800x800, medium, 500x500, small 300x300)