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the new Primus Sport IV
With multiple adjustable straps for a secure fit and a grippy outsole designed for varied terrain
and a Proprioception Mat to enhance sensory response
chrome-free leather from an iconic and newly developed thin Sensus sole
Ra IV Mens Obsidian Hiking the new Primus Sport IVThe Ra IV reimagines the classic Oxford through a barefoot lens smart in appearance and uncompromising in feel and natural movement. Crafted with Wild Hide leather, organic cotton laces, and a cork insole, and sitting on a flexible 4mm Gobi outsole that keeps you connected to every step, the Ra IV is built to support strong, free feet no matter the occasion.
