There is one outlet in Tung Chung (next to the airport)
Address: Shop 201, Level 2, City GateTung Chung, Hong Kong
Another one is in Kowloon (near Canton and Peking Road)
Address: Hankow Road, TST
And in Mong Kok there is also one but I don't remember the street name, it's in the basement of a shopping center and SASA ist there as well
Here is the general web page with all the shops not only the outlets:
http://www.esprit.com.hk/
Esprit Outlet