Breathability has become one of the most overused selling points in this industry. A cap is breathable. A lace front is breathable. A monofilament top is breathable. The word appears in every product description, every consultation script, every comparison chart. And it means almost nothing on its own. Breathability describes airflow through a material. It tells you how a cap was constructed. It does not tell you how a compromised scalp will respond to it. Those are two entir