Size: L/XL Color: they both look the same, but have different color codes •Black/asphalt Grey (looks black to me) •Black These no-show socks were designed for a barefoot look in your everyday shoes when you're on the go. Naturally breathable mesh and sweat-wicking yarns help keep your feet cool and dry features Designed for: Office Travel Commute Seamless construction designed to reduce bulk Grip: Interior grip Note: although M/L is pictured, I have both sizes available