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Summit L1 Top - Women's

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The foundation.

High above the treeline, where the mountains meet the sky, failure is more likely than success. But when you're properly equipped—like wearing The North Face Women's Summit L1 Top—what seemed impossible becomes possible. Designed with input from elite athletes, the Summit Series works to keep you warm, dry, and safe in extreme environments, and the Summit L1 Top is the foundation of it all. The one piece you won't take off until the mission is complete, this baselayer is made from Thermolite fabric, which features hollow-core fibers engineered to trap body heat to keep you toasty warm, and it's also designed to wick away moisture before it can become a serious problem. The engineered knit places more warmth in critical areas to keep you comfortable as you push for your destination. A half-zip design provides ventilation for easy temperature control, while the morrow-stitch construction eliminates bulk and improves comfort.


  • Baselayer top for optimal performance in harsh alpine environments
  • Thermolite fabric offers warmth and moisture management
  • Engineered knit fabric provides zonal warmth with minimal seaming
  • Merrow-stitch construction eliminates bulk and improves comfort
  • Articulated design for alpine comfort and mobility
  • Half-zip design provides ventilation
  • Form-fitting for easy layering
  • Item #TNF039D
100% polyester
Insulation Weight
Center Back Length
24.5 in
Claimed Weight
7.69 oz
Recommended Use
alpine & expedition, skiing, snowboarding
Manufacturer Warranty