Bombas Everyday Compression Sock (15-20mmHg) 3-Pack - Black, Grey, White Women’s Large (11-13) Made with a medium level of compression, these Compression Socks aren’t too tight—they’re just snug enough to feel supportive. 15-20 Mmhg Compression Level Honeycomb Arch Support Strategic Zone Cushioning Seamless Toe Stay-Up Technology Extra-Long Staple Cotton 68% Cotton (Supima®) 17% Polyester 9% Elastane 6% Nylon Brand new!