According to the present invention, the sock body flows from the ankle of the wearer even if a band portion for holding the ankle of the wearer is not provided as the sock body is provided with an outer yarn made of cotton yarn and a fast yarn made of rubber yarn coated with cotton yarn so as to have elasticity as a whole. As it is prevented from falling and the body of the socks is in close contact with the wearer's feet as a whole, the wearability of the socks can be greatly improved, and atopy or skin allergies caused by skin troubles are caused by contact between the wearer's skin and cotton yarn coated with rubber Disclosed is a sock using a cotton-coated rubber yarn that can prevent the induction of sexual diseases.
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