SmartWool Merino 150 Pattern Bikini Underwear Bottom Women's

Spending 16 hours on a train can take a lot out of you, but so can a long summer hike or a day of hanging out around the house. Regardless of your itinerary, Smartwool's Merino 150 Women's Pattern Bikini Underwear Bottom has what it takes to keep you cool, dry, and feeling like a million bucks, so you can tackle whatever the day has in store.