The United by Blue sock with endless five star reviews. Soft, plush, and exceptionally warm, The Ultimate Bison sock is your foot’s secret weapon for the colder months. Blended with wool and bison fiber for top-notch insulation.
- 62% wool, 22% nylon, 15% bison down, 1% spandex
- Crew sock with reinforced heel and toe and ribbed arch support
- Size S: women’s 6-9, men’s 5-8
- Size L: women’s 10-12, men’s 9-13
- Machine wash cold, lay flat to dry
- Made responsibly in the USA
