BOSS Seiland Cargo Trouser in BlackBOSS Seiland Cargo Trouser in Black. A cotton blend, relaxed fit trouser by BOSS. These cargo style trousers feature an elasticated waistband with button and drawstring fastening. 2 slash pockets to the sides and 2 jetted pockets to the seat. Elasticated ankle cuffs. Cargo pockets to the leg finish the trouser. Relaxed fit Elasticated drawstring waist 2 side pockets, 2 welt rear pockets Cargo pockets to the legs Elastictaed ankle cuffs 97% Cotton, 3%