ASPIRE has Swiftwick's widest selection of cuff heights and colors. Sits just below the ankle with minimal extension above your shoe. Their most popular cuff height for running, the ZERO no show sock is also preferred by many cyclists and golfers. Made in the USA. Specs CONTOURED COMPRESSION FIT: Contours and supports every hill and valley of your foot. No bunching and no voids FIBER FIRST MOISTURE WICKING: High-performance fibers are sculpted into breathable designs constructed to move moisture BLISTER-FREE DRY PERFORMANCE: The outcome of two Swiftwick fundamentals: Contoured Compression Fit and Fiber First Moisture Wicking.