Swiftwick Zero Sustain Socks - Road Bike Shop
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|Swiftwick Zero Sustain Socks - Men's
The 'Zero' in the Sustain Socks' title indicates the shortest socks in Swiftwick's line, and the 'Sustain' refers to the recycled nylon used to construct them. So, if you're after low-profile socks that were manufactured in the USA from post-industrial materials, the Zero Sustain Socks are your...