Cashmere is, of course, one of the worlds most desirable fibres, its sumptuous softness all due to its longer and stronger fibres than regular wool. Only created in limited quantities with cashmere goats producing just 200 grams every year, its no wonder its coveted, luckily, BARRIE, one of the oldest manufacturers in Scotland, reserves a generous helping to craft these exceptional trousers. Cashmere/Cotton.