Mountain Lab Bluetooth Heated Socks YCRF_mc_mx_boots Take it worldwide with the

Take it worldwide with the Next Level Premium Tee

Sizes (head circumference): SM - MD: 55-58cm

Graphics: Fade-free sublimation prints

the double walled vacuum insulated technology helps your drinks stay hot or cold for hours

Wide shoulder and chest cover prevents wind infiltration

Mountain Lab Bluetooth Heated Socks YCRF_mc_mx_boots Take it worldwide with theThe Bluetooth Heated Socks use the Mountain Lab smartphone app to control the heated socks through Bluetooth connectivity. Each sock can be controlled individually for heat intensity and turned on and off. The Bluetooth Heated Socks can alternatively be controlled by a button located on the cuff of the sock, for use without the app.