{"type":"firestarter.listing","listing":{"id":"lst_ZwsLEsFh","product_name":"Zpacks Trail Cool T-Shirt","category":"Clothing : Branded","description":"Shield yourself from summer sun and feel the breeze with the Trail Cool T-Shirt. This short-sleeve top is crafted from soft, stretchy, ultralight UPF 40+ fabric, providing breathable coverage and fast-drying comfort for long-distance hikers and trail runners who log big miles in the heat.Our Trail Cool polyester fabric is designed to let the air through and pack down tiny. A spare t-shirt doesn't add much weight or bulk to your backpack, gym bag, or travel kit.This t-shirt runs a little bit long and loose which is good for air flow and coverage. Size down if you are typically between sizes.\nCheck out the rest of our Trail Cool collection to discover our full lineup of breathable UL clothing.","images":["https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-17.webp?v=1763669950","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-22.webp?v=1763669950","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-11.webp?v=1763669950","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-4.webp?v=1763669950","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-12.webp?v=1763669950","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-18.webp?v=1763669950","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-8.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-9.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-10.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-1.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-5.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-19.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-14.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-7.webp?v=1763664674","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-TrailCoolT-Shirt-3.webp?v=1763664674"],"price":39.95,"currency":"USD","in_stock":true,"inventory_qty":179982,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:38.649Z"},"share_url":"https://firestarter.network/l/lst_ZwsLEsFh","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_ZwsLEsFh' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Zpacks Trail Cool T-Shirt' and a budget_max comfortably above $39.95 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."]}}