{"product_id":"altitude-breathing-trainer-for-climbers-mountaineers","title":"Altitude Breathing Trainer","description":"\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"fbskMG_root markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThis mask makes breathing harder on purpose, so your lungs get used to working under resistance before you need them to.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUse it for hiking, climbing, trail running, or endurance training.\u003c\/p\u003e\n\u003cp\u003e48 resistance levels let you increase the difficulty as you get stronger. Breathable mesh keeps training more comfortable. Available in S, M, and L.\u003c\/p\u003e\n\u003cp\u003eTrain now so harder breathing doesn’t catch you off guard later.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Summit Lungs","offers":[{"title":"Large","offer_id":51748460986646,"sku":null,"price":54.99,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":51748461019414,"sku":null,"price":54.99,"currency_code":"USD","in_stock":true},{"title":"Small","offer_id":51748461052182,"sku":null,"price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/1009\/6918\/files\/ChatGPT_Image_Aug_25_2026_05_12_33_PM_4.png?v=1787703188","url":"https:\/\/summitlungs.com\/products\/altitude-breathing-trainer-for-climbers-mountaineers","provider":"Summit Lungs","version":"1.0","type":"link"}