For fast-paced activities, turn to the SmartWool Women's PhD Seamless Thong. 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.

  • Stretchy merino wool blend
  • Elastic waistband
  • Moisture-wicking
  • Odor-resistant
  • Varied knit textures
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