Primer Base Layer Shirt - Men's accessories the app allows you to

the app allows you to adjust heat levels and monitor battery life in real-time

and loads of storage go into every piece

Available for both iOS and Android devices

they keep your hands warm and dry in cold

4 Selectable Heat Levels

Primer Base Layer Shirt - Men's accessories the app allows you toA step up in warmth without sacrificing comfort, the Primer Heated Baselayer Shirt features a midweight thermal outer shell, soft inner lining, and 3 targeted heat zones. With a classic crew neck design and in seam thumbholes, its built to layer under your go to gear or wear solo on brisk days. Reliable, comfortable, and made to move with you from jobsite to trailhead.