There's nothing like merino wool for comfort, which is one reason Smartwool made the PhD Seamless Bikini out of that magical material. It also manages moisture, regulates temperature, and controls odor, making the PhD Bikini an obvious go-to when you plan on spending serious time outdoors.

• Material: 79% merino wool, 15% nylon, 6% spandex
• Cut: bikini
• Antimicrobial: yes, natural attribute of merino wool
• Recommended Use: casual
• Manufacturer Warranty: 2 years

Material: 79% merino wool, 15% nylon, 6% spandexSmartWool