Underpants from Nordic Heat ApS

Battery Heated underwear - Long underpants incl. battery/charger

Nordic Heats Base Layer with electric heating keeps you warm.
Comes complete with rechargeable battery and charger.
The 3 heating zones in the bottom part are placed strategically in the groin and on the knees, so the heat is transported to in the lower body.
Moisture wicking and breathable, 3 heat levels, High, medium and low.