The Claim: Superthin weaves of merino wool keep you cool and comfortable when it's hot out.
Oz Says: A wool sports bra might seem like an itch-fest waiting to happen, but this natural, sustainable fabric is actually a great call for warmer temps. The fibers are breathable — some sources say even more so than synthetics — so moisture evaporates rather than getting trapped in the fabric and making you hot (and chafed).
You just have to pick the thinnest summer-weight wools, which are surprisingly soft. (Feeling adventurous? Two words for you: merino underwear.)
What's more, the anti-smell property of this material is legendary. "You can wear the same item a few days in a row without a reek," says Stephen Regenold, editor of the outdoor product review company GearJunkie.com — who wore the same wool shirt in Patagonia every day for a week straight.
The potential drawback? Merino wool styles cost roughly twice as much as all-synthetic workout wear. However, they last for many years and many workouts. (Regenold still wears that shirt, seven years later.)
The Verdict: Try It
This story originally appeared in the June 2016 issue of Dr. Oz The Good Life.
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