Boating Shoes/Dockers?

Were can i buy Boating Shoes/Dockers? My friends have them and some of them call them boat shoes and others call them dockers. They are for both men and women. They are tan. Someone said they found them at Dillards or a department store. I really dont want to go to the store. I would rather buy them online.
What are they called and where can i buy them?

http://z.about.com/d/shoes/1/0/a/K/022406_boat_shoes.jpg

Mens Boat Shoes

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