To provide a sock with five finger parts preventing a wearer from feeling hot even when worn in summer.

The sock with five finger parts 1 has a thumb bag 2, other four finger bags 3, 4, 5, 7 divided from the thumb bag, and a sock main body 14 cylindrically knitted from a part where the respective five finger bag parts are integrated together, to a leg insertion opening. The knitting fabric of at least either one of a part of the sock rear side B of the five finger body 8 lying between a four-finger body 6 where the four fingers from the thumb to the third finger are integrated together and a plantar arch part 9, and positioning at the part where the four-finger body 6 and the little finger bag 7 are integrated together, or a heel part 10 is thicker than the knitting fabric of the other parts.