Discontinued: see the best current synthetic insulated vests »
Here's what other sites are saying:
With Sierra Designs patented synthetic insulation, HeatSync delivers warmth and style for high altiture forays or downtown nights.
- Altrec Outdoors
Where to Buy
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Arc'teryx Atom LT Vest
$149 - $175
Patagonia Micro Puff Vest
Eddie Bauer IgniteLite Hybrid Vest
Carhartt Sandstone Mock-Neck Vest/Sherpa-Lined
The North Face Bombay Vest
$60 - $66
Mammut Aenergy Thermo Vest