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.