{"type":"firestarter.listing","listing":{"id":"lst_RO-Q_yWG","product_name":"RFP Hydration Pack, For Trail Running, Gravel Cycling, MTB","category":"Hydration","description":"RFP Hydration Pack: Relentless Forward Progress\nConquer any trail or ride with the Orange Mud RFP Hydration Pack. Designed for ultimate comfort and stability, its smart blend of stretchy and firm materials ensures a perfect, no-bounce fit, keeping your fluids and gear secure through every mile.\n\nSecure Fit, Smart Storage\nThis pack moves with you. It features:\n\n\nBuilt-in safety whistle for emergencies.\n\nZipper-secure storage with a key clip for critical items.\n\nOuter chest pockets for phone and food, plus shoulder pockets for electrolytes.\n\nSide mesh underarm pockets for thin items.\nA large open rear pocket for extra layers.\n\n\nLightweight & Durable\nWeighing just 343 grams with a 6-liter capacity, the RFP is ideal for trail running, gravel cycling, and MTB. Its adjustable sternum slider ensures a comfortable fit (S/M: 31\"-37\" chest; M/L: 36\"-44\" chest). Designed in Texas, made for your relentless adventures.\n-Kudo’s to Marvin Sandoval, a Leadville Leadman champion and incredible fitness coach, for the ideal name of this pack! RFP (Relentless Forward Progress) is a moniker of his that he let us adapt for this design. \n\n\nFrequently Asked Questions\n\n1. What activities is the RFP Hydration Pack best suited for?\nThe RFP Hydration Pack is designed for trail running, gravel cycling, mountain biking, ultrarunning, and other high-intensity outdoor activities. Its lightweight, no-bounce design keeps fluids and gear secure on any adventure.\n\n\n2. What sizes and bladder options are available?\nThe pack comes in S/M (31\"–37\" chest) and M/L (36\"–44\" chest) sizes, and includes a 1.5L hydration bladder. Each size is adjustable for a secure, custom fit.\n\n\n3. How much can the RFP Hydration Pack hold?\nWith a total 6-liter capacity, it offers multiple storage options, including chest and shoulder pockets, a large rear pocket, side mesh pockets, and a key clip for essentials.\n\n\n4. Is the pack comfortable for long-distance use?\nYes! Its smart blend of stretchy and firm materials, adjusta","images":["https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372358.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372360.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372363.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1176565333.png?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372355.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372354.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372362.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372361.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372357.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372356.webp?v=1765495686","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1052756086.jpg?v=1749490758","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1052756087.jpg?v=1749490758","https://cdn.shopify.com/s/files/1/0181/5183/files/orange-mud-llc-hydration-rfp-hydration-pack-for-trail-running-gravel-cycling-mtb-1172372365.webp?v=1749498477"],"price":139.95,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:44.934Z"},"share_url":"https://firestarter.network/l/lst_RO-Q_yWG","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_RO-Q_yWG' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy RFP Hydration Pack, For Trail Running, Gravel Cycling, MTB' and a budget_max comfortably above $139.95 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."]}}