Four Times the Comfort. Unmatched Innovation.

The Men's Micro Modal Stretch Trunks - 4 Pack offers the ultimate blend of softness, support, and breathability. Made from 94% Micro Modal Air® and 6% Elastane, these trunks provide a light-as-air feel with unparalleled stretch and moisture-wicking performance. Designed for men who demand the best breathable underwear, this pack ensures you stay fresh, comfortable, and supported—every day.

With a seamless construction and a fabric-wrapped soft waistband, these trunks sit smoothly under clothing with no rolling, no digging, and no irritation. Whether for work, travel, or training, this 4-pack delivers all-day confidence and next-level comfort.

Why You’ll Love Them

• Includes 4 ultra-soft Micro Modal trunks

• Featherlight, breathable & moisture-wicking fabric

• Seamless design with 4-way stretch for unrestricted movement

• Fabric-wrapped soft waistband for zero irritation & all-day comfort

• Perfect for daily wear, workouts & travel

Better Than Before

The Apex Collection is the most advanced evolution of our original designs. It was built with our mission in mind: to deliver the best men's underwear through technology, performance, ergonomics, and innovation. You'll feel the difference the moment you put it on.

Need Sizing Help?

Check out our Size Guide to find your perfect fit.

Explore More

• Discover the complete SilkCut Underwear Collection
• Compare styles in Boxers vs Briefs vs Boxer Briefs
• Please read our Shipping Policy

Whether searching for silkcut underwear, silk cut underwear, or just the best breathable underwear for men, Apex is built to outperform everything else in your drawer.

We aim to make exchanges quick and straightforward for our customers.

Please note that, according to US federal law, underwear cannot be returned or exchanged unless it is brand new or defective. Any returned underwear will be disposed of.

Return Policy

You can return new, unopened items within 15 days of delivery for a full refund. Contact support@silkcutunderwear.com for return authorization and be prepared to cover the return shipping costs.

Defective or Incorrect Items

If you receive an incorrect or defective item, we will cover the return shipping costs and replace the item at no charge. All returns must be authorized beforehand, or the shipment will be rejected.

Return and Exchange Instructions

Email support@taniusa.com with your Order Number and Reason for Return/Exchange.

Confirm that the product is brand new, never worn, and in re-sellable condition.

Ensure all tags, labels, and original packaging are intact.

SHIPPING OPTIONS:

• UNITED STATES: Shipping fees may apply. Expedited options are available at an additional cost during checkout.
• INTERNATIONAL: Shipping fees apply. We do not collect customs taxes; you will be responsible for your country's duties and taxes.

HANDLING TIME:

Orders are dispatched from the US within 24 hours.

SHIPPING TIME:

Depending on the destination, it's usually about 5-7 business days.

TRACKING NUMBER:

All orders are shipped with tracking numbers.

INSURANCE:

We do not offer additional shipping insurance beyond what the carrier offers.

PACKAGING:

Our packaging is 88% recycled and 100% recyclable.

RETURNS & EXCHANGES:

For any concerns, please contact us directly at support@silkcutunderwear.com. However, note that we do not accept returns.

DAMAGED ITEMS:

If you receive a damaged item, please send a photograph showing the damage and the product tag in the same picture. In verified damage cases, we will replace your item.

LOST PACKAGES:

If tracking indicates a package was delivered but not received, customers need to contact the carrier. We will assist with the necessary paperwork for a claim with the carrier.

CONTACT INFORMATION:

• Email: support@silkcutunderwear.com