男女適用發熱背心 熱反射 附電池包

I was initially skeptical about needing both a hand warmer and neck warmer built in, but after shoveling snow for an hour last week I completely changed my mind—the three zones kept me toasty without any cold spots. The battery pack lasts a solid four to five hours on medium, which is more than enou

The three heating zones really do make a difference—I toggled between the vest, hand, and neck settings during a long outdoor shift and never felt a chill. Battery lasted a solid six hours on medium, which exceeded what I expected for something this lightweight.

I wore this on a freezing morning walk and the battery lasted over three hours on medium heat. The heater inside the collar really kept my neck toasty without feeling bulky.