Shades of the Caribbean Blue Hand Cranked socks. Truly a one of a kind pair of socks. The hand dyed superwash wool is so soft and the nylon will ensure that your beautiful socks will stand up to anything you do! Expertly hand cranked by me with my antique circular sock machine. 1X1 Ribbing starts from the cuff and then a 3 x 1 rib on the top of the foot continuing to the toe.. It give extra stretch, comfort and better fit. You can see it in the pictures shown. Fiber Content: 75% Super wash Merino wool 25% Nylon Women's Size-Medium Fits a shoe size 6-8 1/2 Care Instructions: Machine wash gentle cold inside out and dry flat. FREE shipping in the US!