The Norriton Hydraulics` Heat-Shield is a radical new design for cooling vests. Designed for hot, humid situations where light weight and flexibility are important considerations, Heat-Shield provides almost three hours of active cooling and passive heat shielding. It incorporates a unique design to wick away moisture; condense and channel it out the vest. Heat-Shield is designed to be frozen over and over in a common freezer yet maintain a comfortable temperature next to the body.
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