MaleBasics Microfiber LongJohn
$48.99
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Size Chart
MaleBasics® Underwear Size Chart
Take a measurement tape and make sure your posture is straight, without holding in or pushing out your stomach. Locate the bones on the right and left side of the abdomen.
For MaleBasics, measure approximately 5 inches under the belly button. Use the table below to find the right size based on your waist.
Waist Size
| Size | Waist (inches) | Waist (cm) |
|---|---|---|
| S | 30 – 32 | 76 – 81 |
| M | 33 – 35 | 81 – 86 |
| L | 36 – 38 | 86 – 91 |
| XL | 39 – 42 | 91 – 96 |
| 2XL | 43 – 46 | 96 – 101 |
| 3XL | 47 – 50 | 107 – 117 |
Product Categories
BRIEFS
Cover your entire backside and package and leave the upper thigh exposed.
SMLXL2XL3XL
BOXER BRIEFS
With a moderate rise, they cover about 1/3 of your thigh.
MLXL2XL3XL
TRUNKS
A trunk cut is a hybrid of a brief and boxer brief.
SMLXL2XL3XL
JOCKS
Jocks offer frontal support but lack fabric to cover the derriere.
SMLXL2XL3XL
PERFORMANCE UNDERWEAR
Made of moisture-wicking microfiber ideal for athletic activities.
SMLXL2XL3XL
Stay comfortably warm with the MaleBasics Microfiber LongJohn, designed to flex and move with you through cold-weather workouts or daily layering. Its breathable polyester-lycra blend helps wick away moisture, so you won’t feel clammy even when temperatures drop. Whether you’re heading out for a brisk morning run or running weekend errands, these versatile long johns adapt to your routine.
Every pair is ethically produced in Colombia, empowering women who serve as primary earners for their families. Despite its lightweight feel, this base layer provides reliable coverage and helps maintain a comfortable body temperature. Make the most of the colder months by slipping on a pair of long johns that combine function, comfort, and social responsibility.