{"type":"firestarter.listing","listing":{"id":"lst_G7qIYBtp","product_name":"Canyon Heavyweight Overshirt | Cotton | White","category":"Outerwear","description":"Percival Canyon overshirt. A robust overshirt cut from substantial intricately woven cotton with a touch of stretch for comfort, this is the reliable layer you’ll reach for when a jacket is too much and a shirt is not enough. Tonal woven textured fabric, has to be seen to be appreciated, garment washed to soften the handle, woven, cut and sewn by our friends in Portugal. Built for the everyday, smart enough for the evening.\n\nMen's Textured Check Overshirt in White\n\n\nFeatures: Men’s Textured Overshirt in White, cut from a Portuguese heavyweight cotton with a little stretch. This overshirt features a structured collar, button-through front, and a single chest patch pocket, with subtle woven check detailing that adds depth and texture. This men’s utility overshirt is designed for easy layering across seasons.\n\n\nMaterial: 99% Cotton, 1% Elastane\n\n\nColour: White\n\n\nFit: True to size, cropped\n\n\nCare: Dry cleanable. Wash inside out on a low temperature with similar colours. Do not bleach. Do not tumble dry. Iron on low heat.\n\nCollection: SS26\n\n\nWant to see more? Check the rest of the Men's Overshirts and Shirting collection. For further inspiration, check out our New Arrivals.\nMade in Portugal\nOur mission at Percival is always to make quality garments at prices that our demographic can afford. This means sometimes we make abroad at factories we trust. This item is made in Portugal from 99% Cotton, 1% Elastane.\n\nWe recommend washing inside out at a low temperature with similar colours. No bleaching or tumble drying here please. Keep it looking crisp by ironing on low once dry (or dry clean).","images":["https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR_8b9545ea-ab50-4c54-8e59-be503edf37a7.jpg?v=1770117031","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR4_9c9f1584-a1d7-4e02-8a1a-f6080162eb2d.jpg?v=1770116982","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR5_62248441-0237-43bf-8d4c-eefc9286f1a2.jpg?v=1770116996","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR2_fef8ac2d-f1c5-490b-9f6b-7ccb0e8189ae.jpg?v=1770116956","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR1_109e809d-98ca-45a6-a250-6d7b329de3ec.jpg?v=1770116936","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR3_b2a32519-17d0-4dd4-98f6-37b2c472f90d.jpg?v=1770116967","https://cdn.shopify.com/s/files/1/1479/8488/files/PERCIVAL_MENSWEAR6_830083fb-d3e9-447e-91a2-09cbc2d89c77.jpg?v=1770117017","https://cdn.shopify.com/s/files/1/1479/8488/files/CanyonHeavyweightOvershirt_Cotton_Ecru_01.jpg?v=1774631526"],"price":145,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:17.312Z"},"share_url":"https://firestarter.network/l/lst_G7qIYBtp","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_G7qIYBtp' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Canyon Heavyweight Overshirt | Cotton | White' and a budget_max comfortably above $145.00 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."]}}