{"type":"firestarter.listing","listing":{"id":"lst_B5CbSKst","product_name":"UL Dirtbed Sheet by Zenbivy","category":"Quilts & Sleeping Bags","description":"\nSHIPS DIRECTLY FROM Zenbivy in 1-2 business days | Based in Spokane, WA | Est. 2016 \nPair your Zenbivy quilt with the UL Dirtbed™ Sheet to block drafts, eliminate constriction, and insulate your head—all at minimal weight. Its half-length design trims weight while preserving the freedom and comfort Zenbivy is known for.\nBuilt with ultralight 15D nylon and 750FP Ultrasonic Muscovy Down™ at a lower price than other Zenbivy sheets, it offers an outstanding weight-to-value ratio for ultralight backpacking.\nFeatures: \n\nInsulated hood that keeps your pillow in place and tucks the corners of your quilt in to seal out cold air around your neck and shoulders \n\nMinimal half-length sheet tripped down to the essentials while reducing weight and improving packability, while maintaining the secure, draft-free performance \nColor-coded clip closures that are lightweight and practically disappear when you're using the quilt on its own\nDesigned to fit most standard-size mattresses, including rectangular and tapered styles \nSilky smooth 15D nylon for premium comfort\nLoops to clip in your Zenbivy pillow \n\nNOTE: Designed to be used specifically in conjunction with the Zenbivy Quilts. This is compatible with any Zenbivy quilt regardless of temperature rating, size, color, style, or year.\n_______________________________________________\n\nSpecs\n\n\n\n\nLimit/Comfort:\n\n\n\n\n25°: 25°F / 35°F | -4°C / 2°C\n\n10°: 10°F / 20°F | -12°C / -7°C\n\n\n\n\n\n\nSizing: Fits mattresses up to 21”W  x 3.5\" Thick  | 53cm x 106cm x 9cm\n\nAll sizes measure 42\" in length (106cm) \n\n**See the Zenbivy Sleep System Sizing Guide for more information\n\n\nWeight:\n\n\n25°F: 6.7oz | 190g\n\n\n10°F: 8.5oz | 241g\n\n\nFill Weight: \n\n\n25°: 1.9oz | 56g\n\n\n10°F: 3.6oz | 101g\n\n\nMaterials: \n\nFill: 750FP Ultrasonic Muscovy Down™ (85/15 grey duck down), no water-resistant treatment (additive-free\nLiner & Shell: 15D Nylon Taffeta, coating-free, cire & non-cire, C0 DWR (PFAS-free), 33 gsm\n\n","images":["https://cdn.shopify.com/s/files/1/0537/1177/files/ul-dirtbed-sheet.jpg?v=1771433680","https://cdn.shopify.com/s/files/1/0537/1177/files/sheet-back-compare_6be54407-0e02-4135-8850-5b258aafa033.jpg?v=1771433680","https://cdn.shopify.com/s/files/1/0537/1177/files/ul-dirtbed-sheet-hood-detail.jpg?v=1771433680","https://cdn.shopify.com/s/files/1/0537/1177/files/clip-detail_6f7abfc2-3348-473c-ad36-af31ce180b9d.jpg?v=1771433680","https://cdn.shopify.com/s/files/1/0537/1177/files/light-sheet-buckle-detail_4372df29-3c8f-4c0b-870d-3e32a45ccc47.jpg?v=1771433680","https://cdn.shopify.com/s/files/1/0537/1177/files/UL_Dirtbed_by_zenbivy_system_glacier.jpg?v=1771429923","https://cdn.shopify.com/s/files/1/0537/1177/files/UL_Dirtbed_by_zenbivy_system_forest.jpg?v=1771429923","https://cdn.shopify.com/s/files/1/0537/1177/files/UL_Dirtbed_Quilt_by_zenbivy_clip_system.jpg?v=1771429923"],"price":109,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:42.781Z"},"share_url":"https://firestarter.network/l/lst_B5CbSKst","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_B5CbSKst' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy UL Dirtbed Sheet by Zenbivy' and a budget_max comfortably above $109.00 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."]}}