{"type":"firestarter.listing","listing":{"id":"lst_ciwB2Py_","product_name":"master-piece x Universal Works Olive Brush Back Sweat S/S Billy Sweat","category":"Collab","description":"S/S Billy Sweat is a regular fitting short sleeved crewneck sweatshirt. Part of our master-piece collaboration it has two different coloured side seam zips, which match the zips on our collaboration bags.\nModel is 6’1” with a 40” chest and a 32” waist, wearing a size ‘Large' top and size ’32' bottoms.\n \nA 350g sweatshirting jersey, with a soft brush back pile on the inside.\n \n• Oversized, loose fit.\n• Ribbed neck, hem and cuffs.\n• Contrasting zips.\n• Fabric Content: 100% Cotton.\n• Washcare: Wash at 30 degrees. Do not bleach. Do not tumble dry. Warm iron. Do not dry clean.\n• Please be aware that the measurements below are technical measurements that are based on the garment laid flat and are useful as a general guide only.\n \n\n\n\nMeasured in Centimetres.\nXS\nS\nM\nL\nXL\nXXL\nXXXL\n\n\n\nCentre Back Length.\n\n64\n66\n68\n70\n72\n74\n76\n\n\nChest Width - 2.5cm Below Armhole.\n50.5\n53\n55.5\n58\n60.5\n63\n65.5\n\n\nSleeve Length - From Shoulder (inc. Cuff.)\n41.75\n43.5\n43.25\n47\n48.75\n50.5\n52.25\n\n\n","images":["https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_brush-back-sweat-olive_1.jpg?v=1771939999","https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_Brush-Back-Sweat-Olive_Model_1.jpg?v=1773401090","https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_Brush-Back-Sweat-Olive_Model_2.jpg?v=1773401090","https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_brush-back-sweat-olive_swatch.jpg?v=1773401090","https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_brush-back-sweat-olive_2.jpg?v=1773401090","https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_brush-back-sweat-olive_3.jpg?v=1773401090","https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_brush-back-sweat-olive_4.jpg?v=1773401090","https://cdn.shopify.com/s/files/1/1831/8429/files/MP34220_Brush-Back-Sweat-Olive_FL_1.jpg?v=1773401090"],"price":125,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:20.154Z"},"share_url":"https://firestarter.network/l/lst_ciwB2Py_","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_ciwB2Py_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy master-piece x Universal Works Olive Brush Back Sweat S/S Billy Sweat' and a budget_max comfortably above $125.00 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."]}}