Cotton insoles with pure hands working. Absorbing feet sweat,keep feet dry and reduce odor; the heavy tiny stitches could increase the foot support and balance, make shoes
comfort and feet endurance. And could do insulation protection when
step on something sharply such as nail or broken glasses; Durable, with easy wash by machine or by hands. Use time at least 2~3 years. If feet
without too much sweat,the use time will be longer.