Staticdissipative threads prevent electric charge buildup in dry climates.

The Nano-Air Light Vest was made to be worn for the entirety of your aerobic, start-stop mountain activities, so youre never slowed down by having to change layers. Stretchy and breathable FullRange insulation dumps excess heat when youre working hard and keeps you warm when youre not.

• Slim fit
  
• Stretch Fabric that Resists Abrasion
  
• Warm, Breathable Insulation
  
• Articulated patterning rovides an exceptional range of motion for unhindered movement
  
• Center-front zipper has a zipper garage at the chin for next-to-skin comfort
  
• Two handwarmer pockets and a left-chest pocket are zippered, low profile and low bulk to wear comfortably with a harness or a pack; the vest self-stuffs into the chest pocket
  
• Low-Bulk Finishes
  
• Made in Vietnam
  
• Weight: 211 g (7.46 oz)
  
• Shell and lining: 1.6-oz 30-denier 100% recycled polyester air-permeable shadow stretch ripstop with a durable water repellent (DWR) finish made without perfluorinated chemicals (PFCs/PFAS)
  
• Insulation: 40-g FullRange 100% polyester (93% recycled)
  
• Made in a Fair Trade Certified factory

Hollowcore fibers trap insulating air molecules