Fecha de publicación: 26/08/2022 Fuente: WIPO "hemp" The sock comprises a sock body part and a sock leg part, the sock body part comprises a foot side area, a heel area, a toe area and an instep area, the sock leg part is arranged at an upper opening of the sock body part, an opening part is arranged on the surface of the sock leg part, a tightening part is arranged on the outer surface of the sock leg part, and the sock leg part is arranged on the sock body part. The sock body part 1 and the sock leg part 2 are made of linen materials, the sock body part 1 and the sock leg part 2 are of an integrated structure, the sock product is divided into two styles, the first style is a female style, the tightening part is a tying belt, the second style is a male style, and the tightening part comprises a heel protecting belt and a restraining piece. According to the sock, the opening part is arranged on the sock leg part, the restraining piece is arranged on the sock leg part, the restraining piece is adhered to the surface of the heel protecting belt through the function of the hook-and-loop fastener, the sock leg part can be tightened, and due to the adjustable tightening mode, the sock can be prevented from falling off, tightening marks can be effectively prevented, and the sock is comfortable and convenient to wear.