Sticky options, remember size preference

Remember a customers choice for size, style or colour, so that it defaults for future purchases. 

eg a customer typically buys the same size clothing or shoes, so always, choose this size, rather than leaving the size blank 

To enable this feature:

1. Login to the CMS
2. Add global sizes, colours and styles/options if you have not already
3. Customise display options, View product page options, tick box: remember customer size/colour/style preference

Usage

• When a customer adds an item to the cart, it will remember their choice (but only if the option is a global option)
• From then on, if the wording is correct, that option will be preselected. 
• The user can change the option to anything else, but only their first choice will be sticky. 
• A user can change their preference by logging in, and changing it under their profile.