{"type":"firestarter.listing","listing":{"id":"lst_rJUtzJMg","product_name":"Fastus 23L by Bonfus","category":"Backpacks","description":" \nShips in 1-2 business days | Based in Lombardia, Italy | Est. 2019\nEngineered for fastpackers and runners, this backpack is your perfect partner for ultralight adventures. Its sleek design strikes the ideal balance, offering enough volume for fast-and-light overnight trips without the excess bulk or bounce during a run. Designed for on-the-go efficiency, its size and elegant design make it perfect for everyday use and urban adventures, too!\nFeatures:\n\nFrameless \n\nWebbing hip belt: a 25mm detachable webbing belt is included to additionally stabilize the load and reduce pack movement\n\nVest-style straps with five pockets, including one zippered compartment. This design ensures convenient storage and quick access for soft bottles, water bottles, and other items like electronics and snacks during your journey\nAn elastic ribbon above the soft flask pocket secures the tip of a soft flask, preventing excessive movement and ensuring stability\n\nLarge front mesh pocket\nRoll-top closure with an aluminum G-hook for quickly securing and compressing the roll-top strap\n\n4mm EVA foam, placed exclusively above the shoulders on the vest-style strap, provides targeted comfort, allowing breathability and flexibility for the rest of the vest straps while further reducing weight\nTwo sets of sternum straps with elastic webbing, adapt to your torso’s natural expansion and contraction during breathing and movement\nQuick and on-the-go storage of trekking poles on the vest-style straps or alternatively on the side of the pack for added convenience\nDuel access bottom stash pocket\n\nSix-point side compression cord stabilizes the load and also secures items, providing versatility in packing\nBuilt-in ice axe loop\nTaped seams to increase water resistance and increase seam strength. A pack liner is suggested to ensure pack content remains dry\n\nTop grab loop\n\n***Note: Some of the black pack images on this page are made from UltraGrid. At this time, we only carry the Fastus in Ultra 200 X.\n__________","images":["https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus.png?v=1741881061","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus1.png?v=1741881067","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_2.png?v=1741881074","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_3.png?v=1741881080","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_4.png?v=1741881086","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_5.png?v=1741881093","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_6.png?v=1741881099","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_7.png?v=1741881106","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_8.png?v=1741881114","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_9.png?v=1741881129","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_10.png?v=1741881141","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_11.png?v=1741881150","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_12.png?v=1741881156","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_13.png?v=1741881163","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_14.png?v=1741881169","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_15.png?v=1741881175","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_16.png?v=1741881186","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_17.png?v=1741881192","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_18.png?v=1741881200","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_19.png?v=1741881206","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_20.png?v=1741881213","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_21.png?v=1741881220","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_23.png?v=1741881226","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_24.png?v=1741881311","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_25.png?v=1741881323","https://cdn.shopify.com/s/files/1/0537/1177/files/Fastus_23L_by_Bonfus_26.png?v=1741881332"],"price":225,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:44.303Z"},"share_url":"https://firestarter.network/l/lst_rJUtzJMg","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_rJUtzJMg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Fastus 23L by Bonfus' and a budget_max comfortably above $225.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}