You need to should that you can develop a similar functionality customized or personalized E-Commerce site for jerseys. You will assure that you will surely help in building a clean, robust and exclusive customized/personalized E-commerce website. I would like to reiterate that you have the expertise in designing, developing and implementing different types of E-commerce websites for different industry verticals. 

You need to understand our requirements. We want to create an E-Commerce based website where the customers can customize or personalize the jersey with the available options. They can change the color, write some text, upload image etc. After customization, they can place an order to purchase the customized jersey through online payment. 

These are the deliverables required for developing this website.
1. HTML and CSS coding

2. UI / UE Design

3. Design Part:-
a. Home Page Design 
b. Inner Pages Design

4. User Account Management ("My Account")
a. New User Registration / Login
b. Profile Management 
c. Username and password recovery management

5. Product (Jersey) Select / Choose Options i.e., to choose product

6. Product customization using available design options

7. Add the customized product to Shopping Cart.
8. Shopping Cart

a. Product Management 

b. Customer Management

c. Order Management

d. Payment Gateway Integration with PayPal (depend upon your requirement)

e. Invoice Generation

f. Secured checkout (SSL)
g. Shipping 

9. Save to PC option (as jpg image)

10. Print option

11. Admin Panel for Backend Administration

12. Customized CMS solution to add/modify/delete contents in future

13. SEO Friendly Designing and Programming