These TECH SPORT performance socks feature arch support for a secure fit, mesh top panels and a COOLMAX fiber-based moisture control system, which moves perspiration away from the foot, keeping you cooler, drier and more comfortable. Great for sports, picnics and other spring and summer activities. Fits shoe sizes 6-9. Great arch support. Cool mesh top panels for temperature control. Features fiber-based moisture control system. Perfect for sports like tennis, running, golf and everyday wear.. Fits shoe sizes 6-9.