Sock Specs: Combed Cotton/Nylon/Spandex For Breathability, Durability, And Stretch Double Terry In The Heel And Toe Area Adds Durability And Comfort 200N Thread Count For Highest Level Of Detail 40 Gram Socks With Smooth Seams No Uncomfortable Bumps In The Toe Area One Size Fits Most Humans Size 6-13, May Be Snug On Wider Calves Sock Specs: Combed Cotton/Nylon/Spandex For Breathability, Durability, And Stretch Double Terry In The Heel And Toe Area Adds Durability And Comfort 200N Thread Count For Highest Level Of Detail 40 Gram Socks With Smooth Seams No Uncomfortable Bumps In The Toe Area One Size Fits Most Humans Size 6-13, May Be Snug On Wider Calves