The Knee High Socks Lux and Cool is what we do! Our merino wool performance blend over-the-knee sock for your winter moves! Our stay up technology and extra arch support make for the best fitting over-the-knee sock in the land! The Features Cool-max fabric technology to help wick moisture away Weaved-in arch support for the best fit Stay up technology with tension levels around the knee adjusted for no slipping down socks Y-sticked heel to create a natural cup around your heel Reinforced toe for long-lasting wear