{"type":"firestarter.listing","listing":{"id":"lst_n478Lzhx","product_name":"Portofino Leather Sneaker in Antique White","category":"Men's Footwear","description":"The Portofino in Antique White is a refined summer sneaker handcrafted in Italy from soft off-white full-grain calf leather. Its lightweight, breathable design is lined only at the ankle and set on a white Strobel-constructed rubber sole for a clean, flexible finish. Style it with stone chinos and a cream tee, or elevate with tailored beige trousers and a short-sleeve button-down.\n\nHandmade in Tuscany, Italy\nConstructed from full-grain Italian calf leather\nSet on a 100% rubber sole (50% natural, 40% recycled, 10% conventional)\nTightly stitched for water resistance\nThreaded with waxed cotton laces\nFitted with a removable OrthoLite® Hybrid™ insole\n\n::Tab::\nLWG-certified leather: This sneaker is made from leather that's certified by the Leather Working Group (LWG), meaning the hides are responsibly tanned in facilities that safely and carefully manage emissions, energy and water consumption, and waste.FSC®-certified natural rubber: 50% of this sneaker’s sole is Forest Stewardship Council®-certified (FSC®) natural rubber. This certification ensures the rubber is sourced from a forest that’s responsibly managed to prevent deforestation.Recycled materials: 40% of this sneaker’s sole is recycled rubber. It also has an OrthoLite® Hybrid insole made with recycled foam and rubber from previous production processes.\n::Tab::\n\nFits true to size. Take your normal US size.\nOnly available in full sizes. Go down to the nearest whole size if you wear a half size.\nWidth B - Standard\nUnlined construction, has a soft feel and a slightly more relaxed fit than the Capri model.\nWidth can be adjusted by tightening/loosening the laces.\nNot sure of your size? Reach out to our team for a recommendation.\n\n","images":["https://cdn.shopify.com/s/files/1/0646/1285/files/Portofino-V2-antique-white-1_4545b7d1-c1c9-4421-9634-918c3af59951.png?v=1762201513","https://cdn.shopify.com/s/files/1/0646/1285/files/Portofino-V2-antique-white-2_e7ad5c7a-1f83-4543-9978-47d4115749a9-hov.png?v=1723236284","https://cdn.shopify.com/s/files/1/0646/1285/files/Portofino-V2-antique-white-3_990dc949-b370-44ba-ab02-e5ab24161e14.png?v=1723236284","https://cdn.shopify.com/s/files/1/0646/1285/files/Portofino-V2-antique-white-4_c1621a44-17f2-4f6b-a98b-e2ef256b9295.png?v=1723236283","https://cdn.shopify.com/s/files/1/0646/1285/files/Portofino-V2-antique-white-5_e06f1131-921f-4163-8710-c9f4a3761766.png?v=1723236283","https://cdn.shopify.com/s/files/1/0646/1285/files/Portofino-V2-antique-white-6_0acf5d47-e343-4873-998b-c6f3441e3035.png?v=1723236284","https://cdn.shopify.com/s/files/1/0646/1285/files/KoioSS23Day-3-1020_65bd2e01-e893-4724-aaa8-34557e99dacc.jpg?v=1723236283"],"price":265,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:23.407Z"},"share_url":"https://firestarter.network/l/lst_n478Lzhx","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_n478Lzhx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Portofino Leather Sneaker in Antique White' and a budget_max comfortably above $265.00 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."]}}