The Blue Steel Trunk

The Limited Edition Blue Steel Trunks for men in the USA, CANADA and SWITZERLAND

The Blue Steel Trunk

XS | 25-28″ / Blue Steel

$19.99 USD

The Blue Steel Trunk

DESIGNED IN SWITZERLAND, MADE FOR EVERYDAY

1904 reviews

The Blue Steel Trunk

$19.99 USD

Shipping calculated at checkout.

NEW: 2026 Most Comfortable Underwear
Bulge Enhancing
Temperature Regulating
Moisture-Wicking

Size XS | 25-28″ S | 28-31″ M | 31-33″ L | 33-36″ XL | 36-40″ XXL | 40-44"

ColorBlue Steel

Say hello to the newest kid on the block - The Blue Steel Limited Edition Trunk. This bad boy is perfect for underwear fiends that want to keep their style unique, but classic and cool. With these Blue Steel Trunks, your crowned jewels will feel like they are in the 7th heaven, with the silk-like Bamboo fabric hugging your crowned jewels safely and securely. The cool, winter-inspired color will keep you cool as a cucumber when it’s hot.

Crafted from TBô's high-quality bamboo material, our underwear is tailored for maximum comfort and durability.

Key Features:

Silk-like Bamboo Viscose fabric that keeps you cool while reducing odor
A 2"-inseam that stays put with no riding!
Wraparound fabric waistband for maximum comfort
Bulge enhancing man-shaped pouch
95% Bamboo Viscose, 5% Spandex

Product Care Instructions:

Machine wash with similar colors
Gentle cycle
Do not bleach
Do not tumble dry
Warm iron

To maintain the beauty and integrity of your purchase, we recommend treating it with care. Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites. We encourage you to refer to the care instructions included with each item, designed to help you keep your purchase in top condition.

Our products are crafted to fit true to size, ensuring that you can confidently select your usual size with ease. Whether you’re looking for a relaxed or tailored fit, our designs are made to complement your unique shape and style.

Why Choose TBô Men’s Underwear

Moisture-Wicking

No more sticky discomfort. TBôs Moisture-wicking underwear will leave your nether regions dry and comfortable. The way they’re meant to be.

Odor Controlling

Antimicrobial, to keep the funk away. Fresh-smelling eggs, no matter the weather. No more unpleasant whiffs emanating from down under!

Sustainable

We don’t just take care of your goods, we take care of the planet too! We use the highest quality Bamboo fabric to make our underwear sustainable and eco-friendly.

Bulge Enhancing

Get the perfect frontal profile without invasive techniques. Our next-gen contour pouch will leave your manly package turning heads wherever you go.

Temperature Regulating

Keeping you comfortable. Your family jewels will be in 7th heaven with the perfect temperatures below the belt thanks to the temperature regulation of your TBôs.

Breathable

Say goodbye to stuffy, compressed, hard-boiled eggs. Our breathable underwear designs will make sure your jewels get the fresh air they need when they need it.