Yes, it is very easy to update the sizes on your order so long as it has not shipped.
Start by visiting our storefront and clicking the green ‘order tools & exchanges’ button on the top right of the screen.
Mobile users: you will find this button by first tapping to open the navigation menu.
The system will prompt you for your order number, then you will see an option to update your order if it has not shipped. Click on this option and follow the instructions to update your sizes.