I'm glad to hear that you're interested in expanding your business to new categories and I'll be happy to guide you with this.
I understand that you would like to sell the item which is under clothing category.
As you are in individual selling plan you are requested to upgrade your selling account as professional seller.
Please be apprised that as per Amazon policies only professional sellers are allowed to sell in restricted category with prior approval request.
So you need to switch your current selling plan to professional sellers so that you could able to sell the restricted products by getting prior approval.
Here's how to switch your selling plan:
1. Click the Seller Central Settings tab.
2. Click "Account Info" and scroll down to the "Selling Plan" section.
3. Click the "Switch Selling Plan" button.
Note: Sellers registered in Professional selling plan will be charged for monthly subscription fee of $39.99.
Kindly note that listing products in the clothing category on our website requires prior approval from Amazon. You can request approval to sell in this category through the Amazon Services Contact Us form: