The SmartWool Women's PhD Seamless Thong may feature a barely-there cut, but its performance is anything but absent. Highly-breathable merino wool offers temperature regulation and naturally resists odors, while a wide elastic waistband provides a secure and comfortable fit. And to make these even more breathable, SmartWool added varied knit textures for extra ventilation.
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Smartwool PhD Seamless Thong - Women's ships and sold by Backcountry
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