Functional insulating gloves: The Devold INNERLINER MERINO are made of a very fine merino wool. They are ideal as an additional thermal insulating layer for gloves and mittens. Not sure if your gloves are warm enough? Or are you worried that they are too warm? Cold mornings on the chairlift, afternoon temperatures above freezing. The solution is easy - inner insulating gloves made of 100% merino material for a high level of insulation and a comfortable wearing experience.