Kote Gashira: Bio Mesh MaterialKote Gashira's Inner Material: CottonTenouchi: Artificial Micro PunchFuton: Bio Mesh MaterialDecoration Thread: Black Washable! Hygienic! Anti Bacterial! Dry Fast!VIXIA BIO MESH is the new material for the future kendo bogu. - Extremely fast drying material.Mesh material allows a high breathability to dry kote fast. - Washable kote keeps everything hygienic!The outer layer of the kote is made with dry mesh material, allowing high sweat absorbance but dries very fast.The colour will not fade after washing and prevents from quick worn out.It is recommended for a practitioner who practices a lot. - Breathability increases from micro punch tenouchiBrown Micro Punch Clarino Leather is used for the tenouchi (palm) to maximize the breathability. Check here to understand how to measure correctly.