Need a pair of convertibles that don't mind getting grubby? The Royal Robbins Backcountry Zip N' Gos fit the bill, made from tough yet soft and comfortable 3-ply laundered supplex, which is lightweight, wrinkle resistant and doesn't retain odor. The Backcountry is also UPF 50+. Regular fit. Classic rise. 9" Short inseam. Straight leg. Convertible. Zip secured pocket. Cargo pockets. Adjustable elastic tab at waist. Gusseted crotch. Double layer seat. Ankle adjustment. Material: Nylon.