NeckProtector operates best when used in combination with an earlyWinter jacket like the iJ.haBu.5 or a Winter jacket like the iJ.bonKa.6 (with its additional, ergonomically shaped inner layer) when the collar of the jacket is not enough to protect you from chilly winds. It also allows you to cover your mouth to avoid breathing cold air that can inflame your lungs. Made of one textile, four patterns and three components. Warm and ery comfortable to wear. It’s great for many other outdoor activities as well. Anatomically shaped, racingCut.