Eric Steen I live in Nebraska and it gets actually chilly right here, these continue to keep my arms warm and these really continue to keep me satisfied. AA batteries allow it to be a breeze. Zach J I have raynauds and also have a tough time heading exterior https://how-long-does-a-heated-ve24568.ampblogs.com/the-basic-principles-of-hottest-heated-jacket-68919595