We tested them.
Ordinary tights didn't enjoy it.

75% nylon, 25% spandex. Every number below is what that ratio actually delivers, measured against industry-standard hosiery benchmarks.

Performance data based on internal testing using industry-standard hosiery benchmarks (BS EN ISO 12127, EN 14971 reference methodology). Comparative figures represent typical performance ranges for standard 15–40 denier nylon-elastane hosiery available in the UK market. Individual results may vary with care and wear conditions.