Ultra-plush. Perfect fit. Fast Absorption Technology (F.A.T.) equals maximum sweat management. Almost 50% fatter than most standard foams, our hypoallergenic performance face foams seal out the elements and eliminate annoying sweat splatter. F.A.T. 3-Layer, F.A.T. 2-Layer, and Single Stage face foams give you the customized fit and versatility you need out on the track.