In the world of sustainable luxury, natural fibres remain unmatched. Cashmere, merino wool, alpaca, yak, and fine cotton offer warmth, softness, breathability, and a tactile comfort that synthetic fibres simply cannot replicate. Yet even the finest natural yarns share one characteristic that often surprises wearers: they pill . Pilling is not a flaw, nor a sign of inferior quality. In fact, it is a natural and expected part of how genuine fibres behave. Understanding why  it