For Sale: Travel Trailers / Sherman, Tx 2015 Evergreen Sun Valley S318bhs The Sun Valley Travel Trailer Inherits All Of The Best Features Of Evergreen's Flagship Ever-lite Travel Trailer Brand, Such As Vacuum Laminated Construction And Dura-lite Doubled Welded Aluminum Structure In One Family Camping Package. Evergreens' Legendary Lightweight, Easy-to-tow Construction Makes Sun Valley Easily Pulled With Todays Full-sized Family Sedan, Suv Or Half-ton Pickup. With The Largest Selection Of Floor Plans Of Any Evergreen Brand, You're Sure To Find The Coach That's Perfect For Your Family.