Description
Layer on these long johns to stay warm and comfortable on cool days. They’ve got a snug fit that moves easily under other layers, and are quick-drying with a bit of stretch for reaching, running, or alpine hut lounging.
- Made of moisture-wicking polyester and spandex.
- Polygiene® antimicrobial treatment is great for days on the trail or travelling.
- Front opening for answering nature’s call.
- Fabric has a UPF 40 rating.
Fit guide
Garments, designed for specific activities have features that aren’t always adaptable to general use. For example, cycling clothing is longer in the back and arms. Activity aside, the fit of MEC clothing falls into these categories:

Our next to skin fit that contours the body for no distractions

Our close to body fit with a low profile silhouette for ease of movement

Our standard, slightly off body fit for unrestricted comfort

Our roomy, off body fit for maximum comfort and easy layering
All MEC men’s and boy’s pants are regular rise.
Sustainability
Tech specs
Show
Tech specs
Ideal for |
|
---|---|
Type | Base layer |
Fabric weight
Measured in grams per square metre (gsm). The larger the number, the heavier and thicker the garment. |
140gsm |
Fabric content |
|
Relief opening | Yes |
Antimicrobial treatment
A treatment that inhibits bacteria growth and reduces odour. |
Yes |
Additional feature(s) | Antimicrobial treatment |
UPF rating
The Ultraviolet Protection Factor rating indicates how effective a fabric is at blocking out solar ultraviolet radiation. |
40-50+ (Blocks ~97.5% of UVA/UVB) |
Product sustainability | Bluesign® Approved Material |
Made in | El Salvador |