(Shown on Sturdy Sock (top) and Western Sport (bottom)) Prairie sky is a perfect representation of the big blue sky we see 75% of the days in an average year in the Black Hills. It perfectly showcases the amazing range of blue, from the lightness at the horizon (especially on a hot day) to the saturated sky blue looking straight up. STURDY SOCK: appx. 357 yards/100 grams; high twist 80% highland wool/20% nylon FINGERING: appx. 250 yards/56 grams; 100% MT, SD, WY Rambouillet, Cormo, Targhee wool SPORT: appx. 185 yards/56 grams; 100% MT, SD, WY Rambouillet, Cormo, Targhee wool DK: appx. 255 yards/100 grams; 100% MT, SD, WY Rambouillet, Cormo, Targhee wool WORSTED: appx. 210 yards/100 grams; 100% MT, SD, WY Rambouillet, Cormo, Targhee wool BULKY TWIST: appx. 115 yards/ 100 grams; 2-ply - bulky single ply twisted with skinny; 100% MT, SD, WY Rambouillet, Cormo, Targhee wool