Midweight warmth backed by Polartec® Power Grid™ to maximize quick drying, breathable comfort.

Layer up to stay dry and warm, even at the summit. The women's slim-fitting Burton [ak] Helium Power Grid™ Base Layer Crewneck works to do just that, with Polartec® Power Grid™ fabric that's both highly breathable and quick-drying for all that backcountry pow. Softlock seams and four-way stretch fabric work to give you all the flex your descent will need.

• Slim fit sits close to the body, with room for the garment to move with you
• 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 moisture wicking
• Chafe-free softlock seams for added comfort
• bluesign® approved materials use only safe chemicals and reduce impact on both humans and the planet during manufacturing
• Lifetime Warranty