What actually separates an $80 knit from a $300 one? Two sweaters can look almost identical on a hanger. Same color, same relaxed fit, maybe even the same 100% cashmere label. One costs $80. The other $300. The expensive one might be better. But the price tag won’t tell you that. Fortunately, you don’t need to be a textile expert to spot a well-made sweater. You just need to know where to look. 01. Start with the composition — but don’t stop there The label…