Juniors Vivobarefoot Primus Trail Knit FG on2025h1 Our most technically advanced sock

Our most technically advanced sock

For the 28 Mizuno have re-tooled the midsole

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Thanks to the innovative Matrix upper

The raised sidewalls offer added security and stabilisation

Juniors Vivobarefoot Primus Trail Knit FG on2025h1 Our most technically advanced sockJuniors Vivobarefoot Primus Trail Knit FG Whether youre running the trails as a family or hiking off the beaten path, the Primus Trail Knit FG is the perfect vegan* choice for supporting their feet. The durable TPU cage brings protection and the quick lace system easy adjustments, plus a thin Firm Ground sole balances barefoot sensation with grip, feeling fast and agile wherever your kiddo treads, every step building natural strength. Made for trail