Marathon, Steel Size:XS Module-ready zippers provide optional modules

Module-ready zippers provide optional modules to be affixed to bag for additional storage

the shoe has a full elastic sock construction while the midsole contains DynaFoam

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Sturdy feel — polyamide is notoriously durable

Marathon, Steel Size:XS Module-ready zippers provide optional modulesSleek, strong, and seriously dependableSteel is your everyday essential in a clean, modern neutral. Whether you're pushing your limits or powering through recovery, this versatile sock is built to perform. This knee high Marathon sock offers true graduated compression, increases blood flow, and allows you to perform at your peak, recover faster and feel better sooner. Our advanced design supports critical muscles and tendons, and our proprietary blend