Product Description

The new AT Hybrid Vest combines strategically placed stretch fabric with insulated panels. Sun Mountain is using patented 37.5?? premium insulation, which makes you more comfortable by helping control your core temperature. The insulation retains body heat, while 37.5 active particles embedded in the insulation accelerate vapor movement preventing overheating and moisture build-up.

  • Water-resistant, windproof, nylon fabric with a DWR finish
  • 37.5 insulation provides an extreme weight-to-warmth ratio
  • Chemical-free, natural insulation
  • Versatile, lightweight & comfortable
  • Zippered hand warmer pockets

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