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The North Face
Summit L3 Proprius Ventrix Knicker - Men's

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Summit L3 Proprius Ventrix Knicker

Regardless of your activity du jour, trying to keep warm while waiting for your turn can be a tall order. Pull on the Summit L3 Proprius Ventrix knickers, and trap in heat to keep your muscles from getting chilled. This half-length insulator has a DWR finish to help light precipitation or your spilled coffee roll off instead of seeping through. Full-length side zippers make it easy to get the knickers on without taking off your boots, and allows you to vent excess heat when you're warming up.


  • Insulated, knee-length pants for cold-weather warmth
  • Ventrix synthetic insulation traps in heat
  • DWR finish resists light precipitation and spills
  • Synthetic material is abrasion-resistant and reinforced
  • FlashDry waistband wicks away moisture and dries quickly
  • Full-length side zips for venting and access
  • Item #TNF04MS
[upper thighs] 4% nylon, 6% elastane with DWR, [lower thighs, back of legs] nylon, [lining] 92% nylon, 8% elastane
Claimed Weight
Recommended Use
all-mountain skiing, all-mountain snowboarding, backcountry skiing, backcountry snowboarding
Manufacturer Warranty