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Founded by entrepreneur Renata Black, this high-tech panty brand gives 20 percent of its net profits to Seven Bar Foundation, an org that provides loans to impoverished women. Each ultra-lightweight, seamless thong ($22) comes with a personal testimonial from a woman who’s received a loan to start her own business. What better way to feel strong and get motivated? (Also available to select Equinox shops.)

Just-launched brand The Eighth describes itself as “a mashup of all the good things in life: art, music, sex, culture, and sport.” The Sport in limited edition toile print “Wears the Eighth” ($78) is all these things and more; the luxury briefs feature a chafe-resistant second skin fit, silky smooth compression fabric, and tagless care for streamlined performance.

Minimalist activewear brand Cory Vines proves there’s beauty in simplicity. These tagless, seamless, sweat-wicking panties ($12) provide full coverage, but without the embarrassing lines. Plus, they are so light you might even forget they’re there.

Made with Lululemon’s own Luxtreme fabric, the Lock ‘Em Down Trunk ($32) is designed for maximum comfort and support whether you’re tearing it up on your bike or in the board room. Plus, the four-way stretch fabric is designed with shrink-resistant technology, ensuring that your shorts will be in it for the long haul.

From activewear and lifestyle brand Lolë (an acronym for Live Out Loud Everyday), the Ritzy Shorts ($40) boast quick-drying, antibacterial fabric and booty-toning compression bands, making them a perfect choice for some sweaty, hot yoga or a barre burn class. Worried about going commando? These seamless boyshorts feature double the yarn for complete coverage.

If you’re the adventurous type, these ultra-versatile briefs ($30) are about to become your new best friend. Super soft, sweat-wicking mesh fabric and top-notch odor resistant technology combine to make them a great option for any activity, so it doesn’t matter whether you’re scaling Mount Everest or training for a triathlon—these briefs have you covered.

From Carrie Underwood’s new fashion-forward fitness brand, this lightweight thong ($15) provides moisture wicking and odor-free antimicrobial protection for total comfort and long-lasting wear. Plus, the smooth hems prevent pantylines so you can focus on your workout and not your waistband. 

These flashy boxershorts ($25) use heat-dispersing mesh fabric and moisture transport technology to keep you feeling as cool. They also feature four-way stretch fabrication for total mobility, and anti-odor technology, making them ideal for your more intense workouts.

Just as successful workouts rely on solid foundations, so can the choice of undergarment make or break a gym getup. And as anyone who’s worn the wrong undies to a <strong><a href=/articles/2015/04/desert-yogi-video>yoga</a></strong>class knows, feeling uncomfortable in your <strong><a href=/articles/2015/05/message-fitness-gear>fitness gear</a></strong> can distract you from your workout and leave you thinking about your pantylines rather than your pigeon pose. Here, the latest in undie upgrades for the fit and fashionable.

The best underwear for the gym

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