TrueLoaded Ecommerce is a great platform for Clothing and Fashion online stores.

Some of the specific features that could be of use include:

• having the same product linked to multiple categories - when a product needs to be linked to its main category but also to Sale or Seasonal Collection 
• Product collections - when products are linked in collection to help customers choose matching items 
• Advanced colour and size management through Powerful Commerce attributes and inventory 
• Image per attribute or Image per inventory - to make the product image change when users choose a different colour 
• Customisable Products - to allow users to add their name or other data to product and see the preview of it

A good example is Duke of Edinburgh Award clothing website https://clothing.dofeshopping.org