❄️ Cool down your way to better sperm — because future legends start here!
The Underdog Male Fertility Cooling Kit combats heat-related sperm damage by maintaining the scrotum at the optimal 34°C/93°F. Designed for men with sedentary lifestyles, it improves sperm motility, morphology, and count by preventing overheating. The kit includes two reusable ice packs and a comfortable sleeve, making it easy to use during daily activities like office work or driving, giving you a scientifically proven edge in fertility.
G**K
Excellent quality and design
No detail was spared when designing this clever little ice pack kit. The packaging, branding, and quality are all top notch with careful consideration to every detail and feature. The ice packs freeze fast and stay cold long. The wedge shape makes it comfortable and discrete. The magnetic closure on the sleeve is a nice addition and makes it quick and easy to open or close without messing about with velcro or other fasteners. Nice work Underdog! Thanks for spending time to get the details right!
E**D
Effective, but expensive for what it is
The real secret sauce of this is the case. Any ice pack can keep you cold but they wouldn’t last very long. The case allows the ice pack to stay cold longer. It doesn’t feel very cold, but it lasts a long time. I’m satisfied with my purchase.
B**S
Bought a second kit
I've had good results and bought a second kit to have at the office. It would be nice if there was a model that allowed for 8h cooling while sleeping, in order to stay fresh overnight.
Y**I
They help, but they're overpriced and poorly-made.
Insanely over-priced, obviously, but there aren't a lot of options out there for this sort of product. In hindsight, I should have chosen the cheaper version, because I'm certain there's no difference, aside from the packaging. For me, each ice pack lasts 3-6 hours, depending on use. I bought mine a little over six months ago, and last week the cap popped off one of the ice packs, spilling out some of the contents. If there's one thing I would expect from this product, it would be that at least the cap would stay on. Oh well, I glued it back on and will continue to use them.
D**A
Cool down below
Not sure if this did the trick but 2 months into using this along with other male fertility pills we are pregnant 🙂. Prior to using this we had been trying to conceive for over a year. The product itself looks kind of odd and looks like something you would possibly torture your nuts with 😬. It is actually surprisingly comfortable and doesn't hurt or feel uncomfortable at all. You can actually forget that its there. For those trying to convince i would definitely give it a shot. Especially with the high cost of ivf. I wish you all the best of luck and hope this was helpful.
S**S
Quality product, here's hoping it helps!
Received my Underdog and so far so good. Quality build and packaging. The ice pack is comfortable enough to use for a few hours straight while keeping its "cool", and inconspicuous enough that I might try it at the office. Hard to know at this point if its helping us with fertility but the science makes sense. Fingers crossed this will work!
J**D
Review
Great Product!
A**L
Also improves comfort for my office and car!
Very well designed product. I was excited to understand that I actually get two devices in the box!I know this is a a game changer for my office situation (can't control he thermostat here!) and when I am stuck in traffic with my leather car seat.
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