Tipi Toe Women's 12 Pairs Two-Tone Colored Ribbed Wool-Blend Warm Crew Boot Socksfits shoe size 6 10 (sock size 9 11) medium weight thickness. they will keep you warm through the cold winter in your shoes and boots without being heavy and thick ideal with boots & shoes. great with, dress, casual, work, snow, hunting, & hiking boots wool blend knit provides great warmth while still being breathable. makes it a great sock for at work, home or even on a hike