Swiftwick Aspire - Knee High Size:Medium while the heel tab keeps

while the heel tab keeps the sock in place and guards against chafing

Reinforced design ensures long-lasting durability

Engineered for rugged trails and cool climates with reliable warmth and support

Ultra-light fit feels like a second skin

while Infiknit™ fibers reinforce durability where you need it most

Swiftwick Aspire - Knee High Size:Medium while the heel tab keepsFull length support with zero distractions. The Swiftwick Aspire Knee High sock delivers firm compression, minimal cushion, and knee high coverage for endurance athletes and training environments where muscle support and moisture control are essential. Designed to reduce fatigue and enhance stability from foot to calf, it's ideal for running, cycling, triathlon, or recovery. Knee high 12 cuff supports the lower leg and aids circulation during long