The Dockside collection is characterized by water-repellent construction, a non-slip sole, a hand-stitched apron, and distinctive stitching on the heel for added protection. The Dockside collection is characterized by water-repellent construction, a non-slip sole, a hand-stitched apron, and distinctive stitching on the heel for added protection. Born in Maine in 1946, Sebago was founded with one purpose in mind: to provide contemporary, quality footwear.