As featured in Runner's World & Coach Magazine Convenient three-pair pack – keep a fresh pair ready for your next run Mid-length design – provides comfortable coverage above the ankle Double-width reflective detailing at the cuff – helps you stand out when illuminated by headlights on early morning and evening runs Lycra bands for a secure fit – keep the socks snug and comfortably in place as you move Ultra-thin construction – delivers a lightweight, close-fitting feel without adding bulk inside your shoes Ventilation channels on the upper foot – encourage airflow and help release heat and moisture to keep your feet cool and dry Added Lycra arch support – provides a snug, supportive fit around the arch for lasting comfort Colour: Black, White; Size: 4-6, 6.5-8.5, 9-11