color/size implementation

Has anyone implemented color/size in navision 3.70?

Not quite sure what you’re after, but check out Item Variants.

Pebblestone Fashion is the outstanding vertical solution for the fashion industry, based on MBS Navision 3.70. Besides the color/size issue, many more fashion specific issues are covered in our solution. It is the solution for both production, wholesale and retail companies in apparel, footwear, sporting goods and/or accesories. Pebblestone fashion is already used by more than 100 companies in 15 different countries. Please contact me if you want to receive further information.