Warm, versatile, and casual, the women's Midweight Base Layer Long Neck does all the stuff a good base layer should do with a look and feel that is comfortable on and off the mountain. HeiQ tech boosts temperature regulation and odor resistance to keep you comfortable and smelling good longer. And when the weather is full-on, the neck extends to be a built-in neck warmer.

• Performance Fit: A slim fit with four-way stretch makes for easy layering and an unrestricted feel.
• Temperature Regulating: HeiQ Smart Temp tech regulates body temperature to keep you cool through changing temps and extended efforts.
• Stink Less: HeiQ Fresh tech manages odor and the perma-stink associated with synthetic knits to keep you feeling and smelling fresh.
• Small Details Make a Big Difference: Hidden thumbholes on the seams provide additional coverage for your hands.
• Bluesign® Approved: Product meets Bluesign® approved safety and environmental standards in manufacturing.