Hardneck garlic, which this is, is easier to peel with cloves surrounding the stalk in a circle, versus spiraling and getting smaller and smaller. Harneck garlic is larger-cloved, with superior, more pungent flavor. Softneck garlic is the garlic from which braided garlic is made though, and stores typically stock softneck garlic because, surprise, it stores longer.
The size difference reflects the overall bulb size, but you will also find that the larger the bulb, the larger the cloves. Therefore, if you use a lot of garlic, you will enjoy the ease with which to do so with our extra large garlic bulbs!