D-Trail – A Super-Comfortable, Versatile Sandal Wear the D-Trail around town with friends and enjoy the compliments you get on how cool they look. Later in the day, head out for a hike and wait while all your friends change their shoes. Not you, though. In the D-Trail, you're all set. The FeelTrue® rubber outsole with a dual chevron lug pattern gives you the traction and protection you need to tackle the trail. And the barefoot design lets you walk, hike, and explore in all-day comfort.