Zephyr, the March 2011 Theme Club release, features an impressive assortment of stylistic tools, ranging from its completely Transparent Base, to an extensive array of Color Chooser controls. The theme is the first to offer MegaMenu functionality for the Fusion Menu, with Grouped Child Items as its most noticeable features.
Built with the Gantry Framework, powerful features such as the 960 Grid System, iPhone Support, Smart Loading and many others are standard features by default with the Zephyr theme, making it truly versatile and flexible.
Gantry Framework
Zephyr is the built with the Gantry Framework, which includes powerful features such as menu item control, RTL support, custom presets and many more. This is all on top of the first generation features, making Gantry the most noticeable, and far reaching feature of the template. Gantry is, as a basic definition, A framework used for assembling, building and maintaining a RocketTheme theme. It is an advanced platform for dramatically extending the capabilities of the entire theming system of WordPress. Please visit the link below to find more details and referrals to more extension information on Gantry.
Fusion Menu
Fusion is javascript-based dropdown menu system, with extensive functionality. The menu itself is built on the rewritten core of the latest revision of RokNavMenu, the core application behind all RocketTheme menus. Fusion offers a series of new abilities ranging from Menu Icons, Subtext support and much greater controls over the Multiple Column ability for dropdowns.