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August 26, 2026

Chunky hand-knit swatch in cream Escorial Chainlink yarn with an Escorial hangtag reading "Chain Link Yarn — Hand Knit."

What Is Escorial Wool? Inside One of the World’s Rarest and Most Unusual Wools

Escorial wool is one of the rarest luxury fibers in the world — and micron is the least interesting part of the story. We went deep with the people behind it to find out what actually makes it different.