No-show socks with multiple engineered knitted areas for athletic support.Part of our Core collection - Underwear essentials in high-quality cotton. From beefy rib bottoms to tops made from Pima cotton, C-IN2 takes quality to a whole new level with Core. The Core collection is available in white, black and heather grey. 89% Cotton 9% Nylon 2% ElastaneImported. Machine Wash.