DuraSox are machine knit with Briggs & Little Durasport 1 ply, containing 80% wool and 20% nylon, 1% spandex used during knitting process.
The socks have been preshrunk to reduce shrinkage during washing.
Hiker socks have a shorter leg and come in all 4 sizes.
Work socks have a long leg and only come in Medium and Large.