These take your sock game to the next level by being light and breathable, but still giving you arch support. Ultra-thin, lightweight construction for a barely there feel. Locked-in fit design keeps sock securely on heel for an adjustment-free fit that won't fall down. Strategic mesh panels on top of the foot for breathability. Material wicks sweat & dries really fast. Interior no-slip silicone grips on the back of the heel help keep your socks from sliding down. Front comfort tab protects the top of the foot from lace bite & irritation. Odor control technology reduces odor in the sock. Seamless toe delivers superior comfort & reduced irritation. Set of 6 Imported Material & Care 96% polyester, 4% elastane Machine washable