Information Material Composition: Polyester, Cotton, Polyurethane Instructions: Machine Wash # Click here for Kim's products 【① Deodorizing yarn is used for the inner threads that touch the skin】 Deodorizing yarn is effective against the smell of children's feet! 【② Reinforced toes and heels to prevent tearing】 The toes and heels, which are prone to holes and tearing, have been reinforced. Furthermore, considering "foot odor," deodorizing yarn is used for reinforcement!