BREATHABLE – Knit-in ventilation panels allow your feet to breathe throughout the day. Strategic placement offers ventilation between your toes and at the top of your foot, where most needed. COOL & DRY - Wicking cool fabric and Fresh IQ technology help keep feet cool and dry, and prevent stinky feet, so you can be truly comfortable wearing these LTAC18 socks in any situation. Hanes X-Temp technology is designed to adapt to your body temperature, so you’ll be comfortable all day. GREAT FIT - Spandex gives you a better fitting sock that is lightweight and tough at the same time. Arch support helps the socks conform to the foot and keep it in place for excellent fit and comfort LIGHTWEIGHT – For a sleek, second skin feel and no bulk comfort. These Hanes men’s LTAC18 socks were developed for those who want a comfortable sock without the bulk.