Those phone fans are pretty great too: https://www.amazon.com/gp/aw/d/B073R8GL3Q/ref=mp_s_a_1_1?ie=UTF8&qid=1518680124&sr=8-1-spons&pi=AC_SX236_SY340_FMwebp_QL65&keywords=phone+fan+android&psc=1

But not so much if your phone dies ;)

Ive found nectar inspired warm clothing on etsy thats been key, but im also a chick.