Pearl Izumi Accessories Size Chart These regular cuff height socks offer performance boosting compression that's graduated from bottom to top, following industry best practice. The seamless toe ensures a comfortable snug fit inside cycling or running shoes, while P.R.O. Transfer yarns provide superior moisture transfer on hot days. Features: - Graduated compression for improved performance and slip free fit - PRO Transfer yarns provide superior moisture transfer - Flat toe seam construction provides superior comfort over toes - Regular cuff height - 95% nylon 5% spandex; Made in the USA - Last Chance: Discontinued Style