BUFF® multifunctional tubulars are created through a patented weaving process that uses a special 100% polyester yarn called microfiber, in which the thinness of each filament is less than 1 dtex.
The pores on the outer surface of the fabric are made very small to prevent water and wind from passing through the fabric, but at the same time ensure that the pores on the inner surface are large enough to make the fabric highly breathable.