{"product_id":"digital-product","title":"eBook - The science of breath resistance.","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnderstand the science behind breath resistance training and why runners are starting to train their breathing muscles with the same intention as their legs, heart, and pace.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis premium Oxistride guide explains how respiratory muscle training works, what current research suggests, and how breath resistance can fit into a runner’s training routine. Written in a clear, easy-to-read style, it helps you understand IN and OUT resistance, respiratory muscle fatigue, safe progression, and the role of breathing muscles in endurance training.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePerfect for runners who want to train smarter, understand the “why” behind Oxistride, and build a more informed breathing practice.\u003c\/span\u003e\u003c\/p\u003e","brand":"OxiStride","offers":[{"title":"Default Title","offer_id":58204920152409,"sku":"eBook-TSOBR","price":17.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/7341\/0393\/files\/eBook-TSOBR.png?v=1780514821","url":"https:\/\/oxistride.com\/products\/digital-product","provider":"OxiStride","version":"1.0","type":"link"}