Cole Haan Diamond Dot Dark Grey Heather Socks at Robert Frost Fine Footwear and www.Frostshoes.com. The Diamond Dot Sock for men reaches just over the calf length. Cole Haan Diamond Dot Dark Grey Heather has a soft grey cotton blend for versatile wear and ultimate comfort with 56% cotton, 40% nylon, and 4% rayon and a fine gauge 200 needle count. This sock can be worn formally or in casual wear. Cole Haan Diamond Dot Dark Grey Heather Socks for Men at Robert Frost Fine Footwear and www.Frostshoes.com.