I want to compare these answers with real facts and data

Which is warmer? Wool. No contest here: Wool is one of nature’s standout insulators.
Which is cooler? Cotton. Light cotton fabrics can be incredibly cool on a hot day (think a seersucker shirt in summer). But merino wool is a popular performance material for warm weather because of its ability to wick perspiration away from the skin.
Which is better when wet? Wool. Wool is nature’s best insulator in wet conditions, whereas wet cotton
Which is more expensive? Wool. Usually by a lot.
Which is stronger? Cotton…kind of. Cotton fibers are stronger than wool fibers. But the overall strength of a fabric depends on how it’s made, not just what it’s made of: the sturdy fabric of a wool suit jacket is stronger than a gauzy cotton mesh.
Which is more eco-friendly? Draw. Both are natu
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