Sport Trunk, w/fly, Red

4.9 (2,419 reviews)
$26.00
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These red trunks use a 95% cotton / 5% elastane blend that is soft, breathable, and moves with your body. The three-part anatomical pouch with horizontal fly gives easy one-handed access while keeping everything separated comfortably. A wide internal curtain adds stability, and the reinforced gusset supports dynamic motion. Seam-free sides minimize friction, and elastic leg hems hold the fit in place during activity. Designed for both athletic and everyday use, these trunks combine comfort, flexibility, and reliable support.

Performance Benefits
Cotton comfort — soft, breathable, skin-friendly
Anatomical pouch — structured support without compression
Horizontal fly — fast, one-handed access
Leg hem binding — prevents ride-up and curling
Seamless sides — smooth fit under clothes
4 cm waistband — comfortable hold, retains its shape
Everyday versatility — perfect for sports, work, or casual wear

Tech Proof
Wicking: 1-3 mm/s
Drying: 10-20 g/h
Cooling: 1-2°C (1-3°F) vs. cotton baseline
Martindale: 10-15k

Three-part pouch — keeps natural shape, avoids squeezing
Horizontal fly — practical and intuitive one-handed entry
Wide curtain — separates and stabilizes comfortably
Double-layer pouch — absorbs moisture, keeps dry
Reinforced gusset — adapts to body movement, reduces friction
Seam-free sides — smoother contact with skin
4 cm jacquard waistband — maintains fit and elasticity
Elastic leg hem binding — triple-fold finish prevents curling and ride-up

95% cotton / 5% elastane
Breathable, soft, flexible
Suitable for sports, work, and daily wear

Care instructions:
Wash at max 30°C (86°F)
Iron at low temperatures
Do not bleach
Do not tumble dry

*Color and decorative stitching may slightly differ from photos.

All available shipping options will be visible at checkout. We ship orders within 10-14 business days, but this can increase during promotional periods. All sales are final and cannot be returned for a refund or exchange. For more information, check out our Frequently Asked Questions page.

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Have a question? We’re here to help

Check out the most common questions our customers ask. If you need more help, please contact our support team.

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Our customer support is available Monday to Friday, from 10 AM to 7 PM.
What makes MAN’s SET underwear different?
MAN'S SET underwear is designed with a patented anatomical pouch for natural positioning, reduced friction, and maximum comfort. The construction is based on medical research to support male anatomy and reproductive health. We produce in our own facility to ensure consistent quality, and every model is focus-group tested for perfect fit and freedom of movement.
Where is MAN'S SET manufactured?
MAN'S SET underwear is proudly produced in our own facility in Ukraine. This lets us control every step of production and keep the highest quality standards in every pair.
Can I return or exchange underwear?
For hygiene reasons, underwear and socks can’t be returned. If your item has a manufacturing defect, we’re happy to exchange it. Please email info@manset.com.ua to request an exchange.
How can I contact support?
If you have any additional questions, please email us at info@manset.com.ua. Our team is happy to help!
What is shipping information?
We ship worldwide. For the United States:

Free Shipping: orders $65+, delivery in 10–14 days.
Priority Processing & Shipping Insurance: $21.55, ~10-day delivery; faster handling and extra protection.
Standard Shipping: $17.99, 10–14 days for orders up to $65.

At checkout you’ll see options and speeds for your country. Both standard and express shipping are available globally.