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3+ pairs Australia, USA & Canada
5+ pairs other countries
Biomedical Everyday Underwear—Reducing Testicular Heat for Male Health
Improve your chances of conception within 4 months—sperm takes around 72 days to mature, so meaningful changes happen within one cycle.

Super comfortable, excellent fit and quality. The fabric feels great great against the skin, perfect for all-day comfort. Would definitely recommend. John
Super comfortable & breathable. Would definitely recommend.
My boyfriend LOVES this underwear!
When I first got it for him as a gift, he was a bit skeptical because he said he usually prefers looser, and more worn undies. This Cool Beans underwear does have a tighter fit, so I was also a bit worried about whether or not he'll end up using it (duh, because it's a gift!).
However, to my surprise, it's been like 3 months and apparently he's been using the Cool Beans underwear as his "comfort" undies! He said the tighter fit just feels right, and he's been opting for this Cool Beans underwear each time he has a longer day outside of the house. I think this just proves how much he loves it!
Not to mention the main idea of this underwear is to improve fertility, which is such a plus plus plus point for him (and for me, too, I guess hehe).
Special shoutout to Saara who's really friendly, helpful, and patient with me. I had to exchange the underwear when I first got it because I didn't choose the correct size, but Saara made the process so much easy and quick for me, and I really appreciate good customer service!
Super comfy, supportive and amazing customer service from the Cool Beans Underwear team. I love that they are Australian made. Highly recommend to any fellas out there trying to start a family
Excellent quality underwear and very comfortable. Would highly recommend!
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