Take a hike (to the summit) and don't look back until you have to look down. The men's Burton [ak] Helium Power Grid Base Layer Crewneck is made with sweat-wicking fabric to help you stay cool while you work. Polartec Power Grid fleece keeps it super light and breathable, and keeps out the cold like you need it to. A close-to-skin fit means you get the flex you want on the hill.

FEATURES:

• 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.