ExOfficio underwear is not only one of your favorite underwear, they’re also a Bestseller . While they have their own 25% off sale on their site, right now on Amazon, a bunch of the top-selling styles (in select colors and sizes) are marked down even further, some as low as $13.
So, click through Amazon and if you can’t find the size/color you want, head over to ExOfficio’s site. They also have a ton of tops (including their Bugsaway Line), pants, and accessories on sale too.