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![]() A sock that doesn't wear out in a week of hard use? This is the firstborn, the tested, the beloved, the game changer, the elite, the original -- Swiftwick PERFORMANCE sock. This is not your cotton, chemically treated sock. This is your heart beat. This is the high expectation, ripping down the trail, running until your legs fail, attacking the field, playing your hardest...sock. Yes, it's that sock. 360 View Technology View
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