In all of our themes, you can enable the 'Hover to Zoom' on the product page!
Select your theme:
Parallax, Retina, Responsive, Mobilia
Head into Online Store > Themes > Customize > Theme Settings > Product grid
In this area you will find the 'Image gallery' section with the option to select 'Hover to zoom'
Head into Online Store > Themes > Customize > Navigate to a Product Page so your sections update in the Theme Editor. Under Sections > Product - check off 'Magnify product images on hover'