3.1 Phillip LimTrouser w/ Collapsible PanelsTrouser w/ Collapsible Panels by 3.1 Phillip Lim. From the runway, a versatile tapered silk trouser which can also be worn as a sleeveless jumpsuit.* Deep v-neck * Opening at shoulders with hook & loop closures * Zip up fly with hook & bar closure * Adjustable waist with hidden buttons & tab detail * Belt loops at waist * Slit pockets at waist * Single welt pocket at back * Straight leg * Slightly relaxed fit 100% Silk / Color: Black