UnderdogMale Fertility Cooling Kit: Boost

UnderdogMale Fertility Cooling Kit: Boost

Q: How often should I use this, and how long does it take to see improvements?

Hi! Use The Underdog throughout your day whenever sitting for longer than 15-20 minutes (temperature danger zone). e.g. when driving, sitting at work, and relaxing at home. Sperm take roughly 2 ½ to 3 months to fully mature. So any healthy lifestyle changes including using The Underdog may take this long to show up in improvements to sperm count or quality. We'd love if you visited our blog for more tips to improve your swimmers.

Q: Can this be used when riding bicycle?

Its pretty small and compact. I'm not 100% sure, but I would say yes.

3.9/5

Product ID: 730736573

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Details

Product dimensions
11.4L x 4.6W x
Brand
Underdog
Cooling method
Cold pack
Compatible devices
Television
Noise level
15 dB
Material
Polyethylene

💺Ergonomic design fits all body shapes for all-day comfort

🧊Includes 2 reusable ice packs for extended use

❄️Precision cooling at 34°C/93°F

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Underdog Male Fertility Cooling Kit: Boost Sperm

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Description

❄️ Cool down your fertility game — because every degree counts!

EASY PORTABLE - Lightweight 295g design perfect for office, driving, or home use anytime
SCIENTIFICALLY BACKED - Targets heat-induced infertility by reducing testicular overheating from sitting
DISCREET COMFORTABLE - Soft, adaptable sleeve fits seamlessly under clothing for daily use
EXTENDED COOLING POWER - Dual ice packs ensure longer, uninterrupted cooling sessions
OPTIMAL TESTICULAR TEMPERATURE - Maintains the ideal 34°C/93°F to maximize sperm quality and count

The UnderdogMale Fertility Cooling Kit is a scientifically designed solution to combat heat-related male infertility by maintaining the testicles at an optimal 34°C/93°F. Lightweight and ergonomically crafted, it includes two reusable ice packs and a soft sleeve for comfortable, discreet use during prolonged sitting. Ideal for men seeking to improve sperm quality and count naturally or as a supplement to fertility treatments.

Specifications

Manufacturer	Underdog Fertility
Part number	UK1
Item Weight	295 g
Product Dimensions	11.43 x 4.57 x 4.06 cm; 295 g
Manufacturer reference	UK1
Material	Polyethylene or Polyurethane
Item Package Quantity	1
Noise Level	15 dB
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

How often should I use this, and how long does it take to see improvements?

Can this be used when riding bicycle?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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