Best Overall
Micro Modal Air® Boxer Brief
Soft, lightweight boxer briefs for everyday comfort and smooth support.
Shop Boxer Brief
Featured in the GQ Summer Box
Temperature control where it matters most.
The Best Pair You Will Ever Wear®
SilkCut uses hyper-breathable Micro Modal Air® to continuously release trapped heat. The Result: Keeps your body 2–3° cooler where it counts.
Try your first pair with confidence. See money-back guarantee details.
Cooling premium fabric
Breathable all day comfort
Support without restriction
Founded in 2014
More than 10 years of product focus
Featured in GQ
Selected for the 2026 Summer Box
4.7 out of 5
More than 5,000 verified reviews
Brooklyn Based
Developed in Williamsburg
Labor Day Sale
20% Off Sitewide
Including Sale
Ends Monday, September 7 at 11:59 PM
Use Code LABORDAY
Lightweight comfort for every day. Save 20% across our entire collection for a full week! Experience SilkCut’s signature Micro Modal Air®—feather-light, exceptionally breathable fabric made to keep you cool, dry, and comfortable wherever the day takes you.
Shop Best Sellers at 20% Off
About SilkCut
What Is SilkCut Underwear?
Founded in Williamsburg, Brooklyn in 2014, SilkCut re-engineers men’s basics around advanced fabric and pure comfort. We craft lighter, ultra-soft underwear designed for natural airflow, flexible stretch, and weightless, ergonomic support.
SilkCut is built for men who demand to stay cooler, drier, and more comfortable—whether traveling, sitting through long workdays, or moving continuously through warm weather.
Popular Styles
Best SilkCut Men's Underwear
Compare SilkCut boxer briefs and briefs by fabric, airflow, coverage, fly style, and everyday use.
Best With a Fly
Bamboo Lyocell Boxer Brief
Soft bamboo lyocell fabric with smooth stretch and a functional fly.
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Best for Airflow
Mesh Modal Performance
Lightweight modal boxer briefs with mesh zones for added airflow.
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Best Brief
Micro Modal Air® Brief
Soft men's briefs with less leg coverage and secure support.
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Latest Launch
SilkCut Bamboo Boxer Briefs in Riviera Blue
Riviera Blue brings a fresh coastal color to our breathable men's Bamboo Lyocell Boxer Brief. It combines a functional fly, smooth stretch, ergonomic front support, and a comfortable everyday fit.
- New Riviera Blue
- Breathable Bamboo Lyocell
- Functional Fly
- Ergonomic Front Support
- Sizes S to XXL
Choose by Use
Men's Underwear for Work, Travel, Heat, and Daily Wear
Choose your SilkCut style based on how you move, how warm you feel, and how much coverage you prefer.
Daily Wear
Micro Modal Air® provides a soft, lightweight feel for work, sitting, and long days
Hot Weather
Explore breathable underwear designed for airflow and warm conditions
Functional Fly
Bamboo Lyocell combines a smooth feel, ergonomic support, and easy access
Less Coverage
Micro Modal Air® Briefs provide support with less fabric around the legs
Verified Customer Feedback
SilkCut Underwear Reviews
Rated 4.7 out of 5 from more than 5,000 verified reviews.
★★★★★
Verified
“Good softness and breathability.”
Kevin S.
★★★★★
Verified
“Very comfortable. I am replacing all my cotton pairs with these.”
Luis S.
★★★★★
Verified
“Lightweight, super comfortable, and they do not ride up.”
Dallas S.
Men's Underwear Guide
Choose by Fabric, Fit, and Coverage
Start with the fabric and coverage that best match your daily comfort needs.
Micro Modal Air® vs. Cotton
Micro Modal Air® feels lighter and smoother than many basic cotton fabrics and creates less bulk under clothing.
Best Style for Daily Wear
The Micro Modal Air® Boxer Brief combines a lightweight feel, upper-leg coverage, and smooth everyday support.
Best Style for Hot Weather
Mesh Modal Performance adds airflow for men who feel warm during work, travel, or daily movement.
Boxer Briefs vs. Briefs
Boxer briefs cover part of the upper leg. Briefs provide support with less fabric around the thighs.
Frequently Asked Questions
Questions About SilkCut
Quick answers about our fabrics, styles, fit, and guarantee.
What is SilkCut Underwear?
SilkCut is a men's underwear brand founded in Williamsburg, Brooklyn, in 2014. We make boxer briefs and briefs using lightweight fabrics selected for softness, airflow, stretch, support, and everyday comfort.
What makes SilkCut underwear different?
SilkCut lets you choose underwear by fabric, airflow, fit, coverage, and use. Options include Micro Modal Air®, Bamboo Lyocell, and Mesh Modal Performance.
What is Micro Modal Air®?
Micro Modal Air® is a fine, lightweight modal fabric selected for its soft feel, smooth surface, stretch, and low bulk under clothing.
Which SilkCut underwear should I try first?
Start with the Micro Modal Air® Boxer Brief for a lightweight daily fit with upper-leg coverage and smooth support.
Which style is best for hot weather?
Mesh Modal Performance is designed for men who want additional airflow. You can also explore our hot-weather underwear collection.
Does SilkCut make underwear with a fly?
Yes. SilkCut Bamboo Lyocell Boxer Briefs include a functional fly, smooth stretch, and ergonomic front support.
What is the SilkCut money-back guarantee?
The guarantee is subject to SilkCut's current return and refund terms. Read the guarantee details.
