Layer up for a cold day on the mountain. Stay warm at base camp. The women’s Burton [ak] Helium Stretch Insulated Pants are that extra layer that make a difference on the coldest days. Stretchy and breathable, the are made for wearing under your three-layer shell Pants or bibs. The stretch waist is inspired by comfy yoga Pants, and zip hand pockets add a little everyday utility.
Yoga Pant Comfort
The contoured, stretch waist is inspired by the comfy fit of yoga pants.
Warmth that Breathes
Low-bulk insulation adds warmth while staying breathable when you’re working hard.
Full of Stretch
Stretch nylon fabric lets you move easily without feeling restrictive.
Choice Pockets
Zippered hand-warmer pockets and a stash pocket add utility and keep choice items close.
Low Environmental Impact
Bluesign® approved materials reduce impact on humans and the planet during manufacturing.
FIT
Regular Fit
For more information visit our Size + Fit chart
Warmth
40g Thermacore Stretch
Designed For
Everyday
Features + Tech
Breathability
Sustainable + Bluesign®
Synthetic Fill
WARNING: Made with PFAS Chemicals. PFAS Plan burton.com/purpose
Imported
Yes
Warranty
Lifetime Warranty
![Women’s Burton [ak]® Helium Stretch Insulated Pants Women’s Burton [ak]® Helium Stretch Insulated Pants](https://www.burton-ca.com/wp-content/uploads/2026/01/women-s-burton-ak-helium-stretch-insulated-pants-1-680x917.webp)
![Women’s Burton [ak]® Helium Stretch Insulated Pants Women’s Burton [ak]® Helium Stretch Insulated Pants](https://www.burton-ca.com/wp-content/uploads/2026/01/women-s-burton-ak-helium-stretch-insulated-pants-1-100x100.webp)
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