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For comfort and efficient energy return, the inside of the Volt 1.0 includes a textile and PU synthetic lining, while removable shock-absorbing sock liners provide added cushioning.
The Volt 1.0 features F3 (Football Form Fit), which is a unique dual-lacing system technology that offers a supportive, custom fit to all foot shapes without contorting their natural form.
* All sizing is in US.