Woocommerce Tabs not Working Properly

For some reason, the Woocommerce tabs on a website I am designing isn’t working and I just cannot figure out why. When you click on one of the tabs, they don’t change. Checked my code and everything seems good; would love some help.

Here is the website: http://justmaterials.com/product/gucci-guccissima-unisex-leather-belt-interlocking-g/