{"type":"firestarter.listing","listing":{"id":"lst_ZXtc2msb","product_name":"Gorilla 50 Ultralight by Gossamer Gear","category":"Backpacks","description":"\nShips in 1-2 business days | Based in Austin, TX | Est. 1998\nLight and loaded with features\nMegaversatile, ultralight, and insanely durable. This pack is for plan-ahead thru-hikers and minimalist warriors. Enjoy Gossamer Gear's signature PVT frame and belt: an aluminum, closed-shape frame and pivoting hip belt that allow your pack to move with your natural gait for maximum comfort. The Gorilla's S-curve harness and load lifters carry your haul with even distribution. You also get ample external pockets and a quick-access, fold-over lid to hold as many bananas as you see fit.\nFeatures:\n\nRemovable frame\n\nRemovable padded hip belt with zippered pockets\n\nS-curve harness and load lifters for improved performance and better carry\nLarge front stretch-mesh pocket\nFold top closure with a zippered top pocket\nTrekking pole attachments\nTwo side compression straps \nEasy reach side pockets\nPadded shoulder straps with two gear loops\nHydration port and tube router\nHeadphone port\nSide ice axe loop\nTough recycled Robic fabric\nRemovable SitLight Pad\n\n_______________________________________________\nSpecs\nVolume:\n\nTotal: 50L \nMain Pack Body to Bottom of Extension Collar: 32L\n\nExternal Pockets: 6\nRecommended Load Capacity: 30lbs\n\n\ncomfort: 25lbs\n\n\nSizing:\n\n\nSmall: 16\"-18\" torso | 40.6cm - 45.7cm\n\nMedium: 18\"-20\" torso | 45.7cm - 50.8cm \n\nLarge: 20\"-22\" torso | 50.8cm - 55.9cm\nSmall/Medium Curved PVT hip belt: 28.5\"-56\" | 72.4cm - 142.2cm\nMedium Straight PVT hip belt: 30\"-57.5\" | 76.2cm - 146.1cm\n\n*See our backpack sizing page to learn how to fit a backpack\n*Small Mariposa comes with a S/M Curved Belt. The Medium and Large come with a Medium Straight Belt.\nWeight:\n\n\nSmall: >31.2oz | 885g\n\nMedium: 31.9 oz | 904g\n\nLarge: 32.9 oz | 933g\n\n*Average weight fully configured (Pack, Belt, Frame, Lid, and Pad)\nDimensions: 11\"W x 6.5\"D x 22\"T (in medium) | 27.9cm x 16.5cm x 55.9cm\n\nExtension collar height: 11.5\" | 27.9cm\n\nMaterials: PFAS-free 70D & 100D Recycled Robic Nylon\nMade in Vietnam\n*","images":["https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50Ultralight-GreybyGossamerGear.png?v=1744764862","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50Ultralight-YellowbyGossamerGear.png?v=1744764862","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50Ultralight-GreybyGossamerGear_3.png?v=1716843568","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50Ultralight-GreybyGossamerGear_2.png?v=1716843568","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50Ultralight-YellowbyGossamerGear_3.png?v=1716830779","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50Ultralight-YellowbyGossamerGear_2.png?v=1716830779","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50UltralightbyGossamerGear.png?v=1734992624","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50UltralightbyGossamerGear_2.png?v=1734992624","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50UltralightbyGossamerGear_3.png?v=1734992624","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50UltralightbyGossamerGear_4.png?v=1734992624","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50UltralightbyGossamerGear_5.png?v=1734992624","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50UltralightbyGossamerGear_6.png?v=1734992624","https://cdn.shopify.com/s/files/1/0537/1177/files/Gorilla50UltralightbyGossamerGear_7.png?v=1734992624"],"price":275,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:44.346Z"},"share_url":"https://firestarter.network/l/lst_ZXtc2msb","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 ","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_ZXtc2msb' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gorilla 50 Ultralight by Gossamer Gear' and a budget_max comfortably above $275.00 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."]}}