Of all the versatile layers out there, few things beat a long sleeve fleece, regardless of the season. At its core, a fleece should be able to be worn as an outer layer on mild days or as a mid-layer beneath a waterproof jacket or thick winter coat during colder days. Temperature regulation is just as important as keeping you warm though, and the best fleeces will keep you cozy without causing you to overheat. Taking all of this into consideration, our editors have compiled a list of their top picks for best fleece jackets for men.