The Buff Helmet Liner Pro is perfect for wearing under a helmet and is therefore ideal for activities such as B. cycling or climbing the ideal companion. This multifunctional cloth offers you a comfortable fit because it is very breathable and absorbs moisture optimally. Two other positive properties are both the antibacterial effect of the material, which inhibits odor formation, and the fast drying. This functional cloth offers a comfortable intermediate layer under all types of helmets and can just as easily be worn as a headband.