DiscoverStartup 360How a female founder solved the problem of men's fertility and testosterone using undies
How a female founder solved the problem of men's fertility and testosterone using undies

How a female founder solved the problem of men's fertility and testosterone using undies

Update: 2025-10-03
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Brace for puns with week as Startup 360 talks to Saara Jamieson, founder of Cool Beans Underwear, about how her revolutionary way of taking care of man bits came about.


Saara was a finalist in the Best New Founder category of Startup Daily Best in Tech awards (the winner was Rebecca Keeley from Yarn Speech), and in a special extended episode, they spoke to the Brisbane mother of two about how her own journey to becoming a mother led to Cool Beans.


It's an important dive into male reproductive health that had Simon rearranging himself when Saara talked about the impact of sitting for 20 minutes or more and how how the additional heat down below has an impact on male fertility and testosterone levels.


While reproductive health and fertility tends to focus on women, Saara has taken a deep dive into what blokes need to do to hold up their half of the conception bargain. And the simple truth is that their "beans" are running hot and that's not good for them.


Helping her own husband take care downstairs transformed their attempts to become pregnant and the mother of two is now spreading the message to all who'll listen, building a scientifically-backed deep tech startup in the process.


An explainer: Cool Beans undies keep the testes away from the body, as nature intended, so they don't become too warm, which can lead to reduced fertility and testosterone. Her product now has TGA approval and she has plans for FDA approval in the US.


Simon and Majella took a deep dive into what's going on, as well as discussing being a solo founder, first mover advantage (is there one?) and the impact building Cool Beans has had on other families and the health of men.


And Simon couldn't resist asking what it was like to talk to a room of NRL execs earlier this year about a different kind of ball handling skills...


The Startup 360 cohosts also discussed the closure of ANZ's VC project, 1835i, the new home for Fishburners at the Tech Central Innovation Hub, and the wash up from the Best in Tech awards.Startup 360 is more founder fund than founder mode. It’s all about finding out what makes people tick and staying human.




Startup360 is a SmartCo Media production. This episode is supported by Vanta, helping startups unlock market opportunities through automated compliance.


Subscribe to the show on Apple, Spotify, and YouTube, and don't forget to read StartupDaily.net for all the ANZ tech news for free!

Learn more about your ad choices. Visit megaphone.fm/adchoices

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How a female founder solved the problem of men's fertility and testosterone using undies

How a female founder solved the problem of men's fertility and testosterone using undies

Startup Daily