This no-show sock is extremely lightweight, but ideal for runners with a heavy heel strike and powerful toe-off who will appreciate the extra heel and toe cushioning in this striking design. Comes with an arch support band, seamless toe, lightweight moisture management, and non-slip “Y” heel. Ultra soft with cushioning in toe and heel. Lightweight moisture management quarter sock. Seamless toe linking construction eliminates bulky toe seam and provides greater comfort. Arch support band provides improved comfort and fit. “Y” heel gore for improved fit, reducing slippage. This product is PVC Free™. Environmental philosophy ASICS recognizes environmental conservation as an important social responsibility of the corporation and takes action to realize sustainable development on a global scale.