AlphaCool Wearable 3-Zone Neck Cooler & Heater - White jacket and phase change products utilize

and phase change products utilize freezable charge packs to provide the cooling effect

Nylon shank

Shank: DFB

This power bank powers your garment and can also charge your phone

11 inch circumference

AlphaCool Wearable 3-Zone Neck Cooler & Heater - White jacket and phase change products utilizeThe AlphaCool Wearable 3 Zone Neck Cooler and Heater provides portable temperature control designed to help your body stay comfortable in changing conditions. Worn comfortably around the neck, it delivers targeted heating or cooling directly where it's most effective. Built with advanced semiconductor refrigeration technology, the device features cooling and heating plates positioned on the back and sides of the neck for efficient, direct temperature