A mini pump pushes cold water nonstop through cooling channels woven into the mesh liner — so the chill keeps coming instead of fading. That's the difference between active circulation and a gel pack that goes warm in an hour.
Stay cool for hours with a freezable 2.5L quick-release bladder, a quiet mini pump, a USB-C rechargeable battery, and a mesh liner laced with liquid-cooling channels. Freeze, swap, repeat — all season long.
Adjustable sides and a front zipper tune the fit across four size ranges. The compact outer fabric stays waterproof and breathable, so the vest moves with you through a full shift instead of weighing you down.