Outdoor Voices Doing Things Sports Bra ($65)

With a wide, supportive band, an airy mesh racerback, and just enough coverage to lend confidence without claustrophobia, the Doing Things is the kind of bra you’ll forget you’re wearing, even after a long day.
Ortovox 150 Cool Rules T-shirt ($90)

Ortovox’s new Beta-Spun material is a core of merino yarn with a loose wrap of nylon thread, like candy-cane striping. The result is a short-sleeve top that has the softness and odor control of wool, plus top-notch durability.
Duckworth Vapor Briefs ($40)

Made from breathable, antimicrobial merino wool, with a thick waistband and full-coverage hipster cut, these made-in-the-USA women’s undies stayed right where we wanted without riding up or sliding down. They’re the most comfortable we’ve worn.
Norrøna Wool Hoodie ($159)

Equipped with a hood and a kangaroo pocket, this merino-nylon-blend top is comfortable enough to lounge in. Snug through the arms, it’s also great for technical endeavors. When the going gets tough, a half-zip helps dump heat.
Saxx Volt Boxer Briefs ($33)

The latest addition to the Saxx line is made of a lightweight mesh that feels breezy even when the mercury climbs high. The fabric’s anti-odor treatment keeps you smelling fresh, and the signature BallPark pouch protects against chafing.
Patagonia Capilene Cool Light-weight T-shirt ($45)

Ultralight and ultra-wicking, this recycled-polyester, short-sleeve tee is what you want on truly scorching days. The subtly relaxed fit won’t look out of place around town but still layers well.