Insanely soft jersey boxer briefs engineered for all-day comfort
Crafted from a cotton and modal blend, these boxer briefs offer an exceptionally soft feel with just enough stretch for effortless movement. Strategic mesh cool zones keep air flowing where you need it most, making them the go-to for daily wear, travel, and active weekends.
Features
No-roll waistband stays securely in place all day
Targeted mesh cool zones enhance breathability and airflow
Stay-put legs prevent riding up
Functional fly design
Sizing
The 18-Hour Jersey Boxer Briefs fit true to size. Take your usual boxer brief size or size up if you prefer a looser fit.
For the best personal fit, choose size based on your waist size
Body Measurements
S
M
L
XL
Waist
28-30
31-34
34-36
36-40
Inseam
6
6
6
6
All measurements are in inches.
How to Measure
- Your Waist: Measure around your waist where the top of your underwear sits
- Garment Inseam: Measure from the crotch seam down to the bottom of the leg hem, following along the inside of the leg
Materials & Care
47.5% Cotton, 47.5% Modal, 5% Spandex
Made in Thailand
Machine wash cold with like colors, tumble dry low
About Mack Weldon
Mack Weldon is a New York-based brand dedicated to engineering menswear with relentless innovation, smarter design, and an uncompromising commitment to comfort. By blending high-performance fabrics with natural fibers, they create elevated everyday essentials built for the long haul.
