Threadbare Bute Cargo Shrt Sn00. Cotton 'Bute' Cargo Shorts - Black - 36R. Kit yourself out in these regular fit cargo shorts from Threadbare. Made from a cotton twill fabric for comfort, they feature front and back pockets, two cargo side pockets with stitch detailing and have a button and zip fly fastening. A great addition to your summer wardrobe teamed with a casual T-Shirt or short-sleeve shirt. Other colours available.