Sorry for being weird, but what Blundstone boot model exactly are you refering to? This one? http://www.blundstone.com/shop/black-mens-or-womens-premium-...
This video does a good job showing the differences: https://www.youtube.com/watch?v=SM68SNtODqs
If you do decide to get a pair, note that they need some time to break in; mine were uncomfortable at first!