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
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.