Vertikal responsive theme is one of the best responsive WordPress theme with vertical navigation! Please scroll down to see the change log history? It?s also compatible with WordPress 4.2! Also it?s compatible with WooCommerce now!

https://themeforest.net/item/vertikal-responsive-wordpress-theme/6780563

Vertikal is a true multipurpose super responsive WordPress theme with a unique Vertical navigation or Vertical Menu which is the best choice for any company or person who needs a responsive site with a powerful yet easy to use responsive theme.