Channel Air socks offer cool comfort with (4) vents on the bottoms of feet to allow airflow and has (5) channels of plush terry padding through foot for comfort.  There is a mesh upper to keep the top of foot cooler, arch support that stays put therefore increasing comfort but easing fatigue.  Finally, with an invisible tow seam that eliminates friction and reduces risk of blistering, these performance socks are a great addition to your ElliptiGO wardrobe.