Layer like a pro. The men’s Burton [ak] Microfleece Pants are designed for lightweight warmth with the breathability and sweat-wicking you need to get after it on the mountain or in the backcountry. The super-soft fleece design adds lightweight grid fleece panels for breathability where you need it most and Power Stretch® throughout for unrestricted movement.
Regular fit is just right: Not too tight or too baggy; Size up one size for standard [ak] sizing
Polartec® microfleece body with Polartec® Power Grid™ fabric increases warmth and breathability in a lightweight and durable design that reduces mass and maximizes performance
Grid pattern offers ultimate breathability with superior wicking and quick-drying performance
Strategic fabric placement for warmth and breathability
Elasticized waistband with internal drawstring cinch
Chafe-free softlock seams for added comfort; Anti-static fiber; Reflective details
Zippered back pockets and hand-warmer pockets
bluesign® approved materials use only safe chemicals and reduce impact on both humans and the planet during manufacturing
FIT
Regular Fit
For more information visit our Size + Fit chart
Conditions
Arctic
Designed For
Everyday
Features + Tech
Breathability
Moisture Wicking
Polartec®
Quick Drying
Sustainable + Bluesign®
Extended Sizing
WARNING: Made with PFAS Chemicals. PFAS Plan burton.com/purpose
Imported
Yes
Warranty
Lifetime Warranty
![Men’s Burton [ak]® Microfleece Pant Men’s Burton [ak]® Microfleece Pant](https://www.burton-ca.com/wp-content/uploads/2026/01/men-s-burton-ak-microfleece-pant-1-680x917.webp)
![Men’s Burton [ak]® Microfleece Pant Men’s Burton [ak]® Microfleece Pant](https://www.burton-ca.com/wp-content/uploads/2026/01/men-s-burton-ak-microfleece-pant-1-100x100.webp)


![Men’s Burton [ak]® Acamar Fragment GORE-TEX 3L Bib Pants Men’s Burton [ak]® Acamar Fragment GORE-TEX 3L Bib Pants](https://www.burton-ca.com/wp-content/uploads/2026/01/men-s-burton-ak-acamar-fragment-gore-tex-3l-bib-pants-1-330x445.webp)

Reviews
There are no reviews yet.