Opt for a jacket with a water resistant coating or full waterproofing to protect you from the elements ... This bad boy will keep you cool in the heat and insulated against chilly weather but look ...

Dubbed ‘smart jacket’, the garment comes equipped with environmental sensors, heat-generating and color-changing yarns to prevent potentially harmful outcomes like hyperthermia or burns.

A Kickstarter project (that's closing soon) aims to de-bulk you this winter with the Greenhouse Jacket, a self-warming coat that uses heat technology to keep you toasty. SEE ALSO: You need this ...