Using the latest machinery available, the Aspire line from Swiftwick is their ultimate masterpiece. Swiftwick considered smaller feet, the narrow foot and athletic activities that demand compression, but less padding in the toe box. A new adjusted the formula for key fibers, more than doubled the olefin content and once again to produce the best sock you will ever wear.
Olefin Toe and Heel makes the Four a thinner sock
Thin Channeled Upper delivers optimal air flow without the bulk
Half Density Weave eliminates "bunching" of socks for all-day comfort
Swiftwick's Signature Double Welt Compression Cuff stays up on the leg longer
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