Mid-length socks, set of 4 A set of 4 colors: blue, red, white, and black. Red and blue are different colors, black has stripes, and white is plain. All are new, but the white ones have some discoloration due to age. I think they're good for sports, etc. The black and white ones are slightly larger in size. Color: Black系 (Black-based) Pattern/Design: Plain Sock Length: Mid-length/Knee-high Stains/Tears/Smell: None