Acrylic + Elastane, Spec’d: Why 3% Spandex Is Not a Fit Guarantee
Two beanies arrive from two suppliers. Both are labelled 97% acrylic, 3% elastane. Both stretch easily. Both look right on the table. Six weeks later, one still grips the head without pressing against it. The other has a cuff that opens too wide, a crown that looks shorter, and a