Here is a pair of “Rugged Wear” from “Penneys” for their “Big Mac” line, that can be dated to the 1960s/70s. Made in the USA of a wool/rayon/cotton/nylon (40% / 25% / 20% / 15%) blend, their color is a versatile off-white. They are tagged size 12.5 - 13. CONDITION: Deadstock & unworn with the original tag. Deadstock Penneys Big Mac Wool Blend Off White Work & Sport Socks | Size 12.5 - 13 1960S 70S Ivy League Trad Nos