{"type":"firestarter.listing","listing":{"id":"lst_KLZNTk7G","product_name":"Ultra 40L Curve Full Suspension by LiteAF","category":"Backpacks","description":"\n\n\nShips in 1-2 business days | Based in Monson, ME | Est. 2018\nThe Ultra 40L pack has everything you need. With tall side pockets, adjustable shoulder strap pockets, easy-to-adjust webbing, and more, this award-winning pack will help keep you going on your next adventure. \nFeatures:\n\n\nInternal frame: Two removable curved aluminum support stays\nFully padded 4\" wide hip belt \nFully padded non-removable back panel\n\n3″ wide S-shaped , standard length shoulder straps\nStandard shoulder straps are designed for a chest size less than 44\"\nAdjustable duel shoulder strap pocket designed to fit a 700ml water bottle\nUpper side pockets on both sides\nWide lower, adjustable side pockets. Each pocket can fit 2 1L Smartwater® bottles securely \nBottom stash pocket accessible from the right side\nIce Axe loop\nLarge enough to fit a bear canister inside\nRoll-top closure with top Y compression strap \nLower V Loop with dual lineloc 3 adjusters\nFive-point side compression with lineloc 3 adjusters\nDual adjust sternum strap\nLarge front mesh pocket\nSeam taped for added waterproofing \n\n\n_______________________________________________\nSpecs\nVolume: 55L total capacity\n\nMain Body: 40L \nExternal Pockets: 15L\n\nExternal Pockets: 8\nRecommended Maximum Load Capacity: 35lbs\nSizing:\n\n\nX-Small: 15\" - 16.5\" | 38cm - 41.9cm \n\nSmall hip belt: 28\" - 32\" | 71.1cm - 81.3cm\n\n\n\nSmall: 17\" - 18.5\"  | 43.2cm - 47cm\n\nSmall hip belt: 28\" - 32\" | 71.1cm - 81.3cm\n\n\n\nMedium: 19\" - 20.5\"  | 48.3cm -  52.1cm  \n\nMedium hip belt: 33\" - 38\" | 83.8cm - 96.5cm\n\n\n\nLarge: 21\" - 22.5\" | 53.3cm - 57.2cm\n\n\nMedium hip belt: 33\" - 38\" | 83.8cm - 96.5cm\n\n\n\n*See our backpack sizing page to learn how to fit a backpack\nWeights:\n\n\nX-Small: 28.4oz | 805g\n\nSmall: 29.4oz | 883g\n\nMedium: 31oz | 879g\n\nLarge: 32oz | 907g\n\nDimensions: 33\"H (fully unrolled) x 11\"W | 83.8cm x 27.9cm\n\n\n Circumference (Top | Bottom): 38\" | 34\" / 96.5cm | 86.4cm\n\nMaterials:\n\nPack Body: Ultra 200 Black\nSide Pockets: UltraGrid Black\n\nShoulder Straps &amp; Hipbelt: 210D","images":["https://cdn.shopify.com/s/files/1/0537/1177/products/Ultra_40L_Curve_Full_Suspension_by_LiteAF.png?v=1745605425","https://cdn.shopify.com/s/files/1/0537/1177/products/Ultra_40L_Curve_Full_Suspension_by_LiteAF_1.png?v=1745605432","https://cdn.shopify.com/s/files/1/0537/1177/products/Ultra_40L_Curve_Full_Suspension_by_LiteAF_2.png?v=1745605437"],"price":418,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:44.861Z"},"share_url":"https://firestarter.network/l/lst_KLZNTk7G","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_KLZNTk7G' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ultra 40L Curve Full Suspension by LiteAF' and a budget_max comfortably above $418.00 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."]}}