Pretty much indestructible, yet still rolls well.  The Marathon Plus is an outstanding touring and everyday tire with Schwalbe's Kevlar Guard flat protection.  While other tire manufacturers make you choose between durability and performance, Schwalbe serves up both.  Literally all of Europe likes them too, literally.

Please specify size in Notes, Questions and Substitution panel
26x1.50
26x1.75
26x2.00
700x25c
700x28c
700x32c
700x35c
700x40c