1. This underwear solves problems.

1. This underwear solves problems. Mack Weldon’s underwear doesn’t miss a trick. It’s designed with a waistband that won’t roll over, and legs that stay put without feeling constricting. Better underwear, less complaining about said underwear. Shop Now

2. The fabric is seriously soft.

2. The fabric is seriously soft. Take 18-Hour Jersey, their most popular fabric. This high-quality cotton blend rests for 18 hours before it’s cut, which is why every pair feels (and looks) a thousand times better than whatever he’s wearing right now.

3. It’s built to keep him cool.

3. It’s built to keep him cool. Why didn’t someone think of this sooner? Mack Weldon’s underwear is built with breathable mesh panels where he needs them most, so he sweats less and feels cooler all day (and night). Yes, it’s a small miracle. Shop Now

4. They have a Try On Guarantee.

4. They have a Try On Guarantee. This one’s huge. If he doesn’t love his first pair, Mack Weldon has a Try On Guarantee that promises a full refund with no return required. My boyfriend’s first pair was a little snug, and he was able to size up with zero hassle.

5. Everyone’s obsessed.

5. Everyone’s obsessed. Men's Health has called them the “Best Underwear for Men.” GQ, Us Weekly, The New York Times—I’m reading and hearing good things everywhere I turn.

6. The numbers don’t lie.

6. The numbers don’t lie. Because I leave no stone unturned, I heard there’s something like a less than 2% return rate (pretty impressive, even with that Try On Guarantee), and over 1.5 million pairs shipped… they’re doing something right.

7. They’re here for the long haul.