Easily the best underwear for men. Their Platinum line is mostly Modal and is wonderfully soft, and after many many delicate washes + hang drying they are still as soft as new. I have slowly transitioned my entire underwear wardrobe to SAXX, and I don't regret it one bit. Their sports lines are also great, with the drop-temp being my go to for working out. Definitely pricey, but as long as they last a while the price is well worth it (+ they have sales often!)
Also might be a sleeper pick, but I got one of their socks on sale and it is super comfy!
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I really do wish they had more mature themes and patterns. The ones that exist for their most expensive lines are kind of boring, and then everything else is very much just internet "manly" stuff like beer and grilling. Not that I think they look bad, but definitely not the vibe of my underwear.