Fourth Element Men's X-Core Vest Size:XXXL Their watch-style design and high-resolution

Their watch-style design and high-resolution display ensure easy access to vital diving data

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Fourth Element Men's X-Core Vest Size:XXXL Their watch-style design and high-resolutionThe physiological response to cold stress is to reduce blood flow to the periphery and look after the body core, where it can often just be a matter of time before cold becomes the limiting factor in the safety and enjoyment of a dive. X Core provides extreme thermal protection to the core, enabling longer, more comfortable dives. Designed to be worn under an Arctic, Halo AR or any other drysuit undergarment, X Core augments thermal protection to the