• Targeted compression provides zone-specific compression where you need it most for superior fit and support • Anatomical design conforms to left and right structure of the foot providing enhanced fit and reduced risk of blisters • iWick fibers wick moisture to keep feet cool and dry • Our thinnest option provides a lighter, cooler feel • Heel Hugger technology - a band of high quality, self-fusing silicone tape keeps sock from slipping inside shoe • The Perfect Toe® (No irritating toe seam) • Now made with Repreve, yarn made from recycled plastic