Fieldsheer delivers next generation men’s and women's heated baselayers, equipped with Bluetooth®-enabled built-in touch control buttons and a 4-setting temperature adjustment from your phone with the MW Connect™ app. The men’s Primer shirt and pants are sure to keep you going with multiple heating zones and instant heat with the touch of a button. Fieldsheer takes pride in the use of lightweight, moisture-wicking fabric infused with stretch panels and a chafe-free waistband to give you the most comfortable men’s heated baselayers to wear on all of your cold weather adventures.