Columbia silver ridge zip convertible pants junior boys these columbia silver ridge zip convertible pants are a versatile item for outdoor treks they convert into shorts by using the zips across the legs offering two garments in one great if the weather changes during your trip they feature a zip fly button waist fastening belt loops built in upf 30 sun protection and omniwick which moves sweat away from the body to keep the wearer cool and dry there are two open pockets and a smaller