{"product_id":"vivobarefoot-primus-fg-3-5-running-shoe-mens","title":"Vivobarefoot Primus 3.5 FG Running Shoe – Men's","description":"Built for runners who want real ground feel on technical terrain, the Primus Trail 3.5 FG is our pick for athletes transitioning to or training in barefoot footwear. A firm-ground outsole with aggressive lugs delivers traction on dirt, roots, and rock, while the wide toe box lets your foot splay and work naturally.\n\u003cul\u003e\n\u003cli\u003eZero-drop, minimal stack height puts you in direct contact with the trail for honest proprioceptive feedback\u003c\/li\u003e\n\u003cli\u003eFirm-ground (FG) outsole with multidirectional lugs grips loose dirt, wet roots, and uneven terrain across Southern trails\u003c\/li\u003e\n\u003cli\u003eWide anatomical toe box allows natural toe splay — critical for foot strength and long-term biomechanical health\u003c\/li\u003e\n\u003cli\u003eLightweight mesh upper breathes well in heat and humidity without sacrificing structure on technical ground\u003c\/li\u003e\n\u003cli\u003eAvailable in Mineral colorway — a low-profile, trail-ready look that doesn't show dirt\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vivobarefoot","offers":[{"title":"Mineral \/ 15 \/ Medium","offer_id":53838705262899,"sku":"5057794196322_C","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1289\/1975\/files\/vivobarefoot-primus-3-5-fg-running-shoe-men-s-mineral-lateral.jpg?v=1786727131","url":"https:\/\/www.grivetoutdoors.com\/products\/vivobarefoot-primus-fg-3-5-running-shoe-mens","provider":"Grivet Outdoors","version":"1.0","type":"link"}