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  • $77.78

The Heatsync Vital is an under-the-jacket heating system designed to keep you warm in the harshest conditions. The harness design is one-size-fits most and should rest against a shirt or base-layer and is powered by any Brunton 5V/2.1AMP USB power bank. Ideal for cold weather situations where movement or activity is low, or in dire situations where the user has become trapped or lost.