Perfect for 3/4 seasons, the Men\'s Tec Wool hat will keep you protected during the cold, rain and snow. Its C_change technology by Schoeller Switzerland technology membrane opens when the outside temperature rises and closes when the temperature drops, giving you comfort in an even temperature. If the weather drops then don\'t worry, the tuck away ear warmers will be able to protect your ears from any uncomfortable cold conditions, or if the temperature rises then the hydrofoil sweatband will wick any moisture away, keeping you dry and cool.  C_change technologyTuck away ear warmersWater-repellentLife guaranteeHydrofil sweatband to wick moisture awaySecret pocket