{"type":"firestarter.listing","listing":{"id":"lst_R9C-H78g","product_name":"Legacy Windrider 40 by Hyperlite Mountain Gear","category":"Backpacks","description":"\nShips in 1-2 business days | Based in Biddeford, ME | Est. 2010\nHyperlite Mountain Gear's original backpacking pack\nThe Windrider 40 is the pack that super-efficient thru-hikers and backpackers graduate down to when their kits are dialed, and the calories and fuel they need along the way are never too hard to find. This pack is designed for on-trail, off-trail, and all-season environments, with mesh exterior pockets for content visibility, ventilation, and quick-drying of damp gear.\nFeatures:\n\nInternal frame with two removable aluminum stays\nPadded non-removable hip belt with pockets\nThree external mesh pockets - easy to see what's in your pockets and allows gear to dry faster\n\nTow over the pocket side compression straps for load security\nD-shaped flat bottom keeps pack upright while loading/unloading\n\n Roll-top closure with top Y-strap compression\n\nInternal mesh sleeve and hydroport\nFour exterior triglide buckles for optional pack accessories\nDaisy chain gear loops on the shoulder straps\nGrab loop and ice axe loop\n\nSea, tape on all vertical side seams and behind all sewn-on pack features for added water resistance\n\n\n_______________________________________________\nSpecs\n\nVolume: 49.8L (total)\n\nMain body: 40L \n\nExternal: 9.8L\n\nNumber of External Pockets: 5\nRecommended Maximum Load Capacity:  40lbs\nSizing:\n\n\n\nSmall: 15” - 17” torso | 38.1cm - 73.2cm\n\nMedium: 17” - 19” torso | 73.2cm - 48.3cm\n\nLarge: 19” - 21” torso | 48.3cm - 53.3cm\n\nTall: 21”+ torso | 53.3cm+\n\n*See our backpack sizing page to learn how to fit a backpack\nWeight:\n\n\n White Medium: 29.8oz | 845g\n\nBlack Medium: 32.5oz | 921g\n\n\nDimensions: 30\"H (fully unrolled) x 10.5\"W | 76.2cm x 26.7cm\n\n\n Circumference (Top | Bottom): 37.5” | 33.5” / 95.3cm | 85.1cm\n\nMaterials:\n\n\n Body: DCH50\n\n\nBottom: DCH150\n\nExternal Pockets: Mesh\nShoulder Straps & Hipbelt: Hardline with Dyneema®, Closed cell foam, Spacer mesh\nPFAS-Free\n\nMade in Mexico\n\n","images":["https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_1.png?v=1744926259","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_2.png?v=1744926264","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_3.png?v=1744926270","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_4.png?v=1744926275","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_8.png?v=1744926307","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_9.png?v=1744926313","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_10.png?v=1744926320","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_11.png?v=1744926326","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_12.png?v=1744926332","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_13.png?v=1744926338","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_14.png?v=1744926344","https://cdn.shopify.com/s/files/1/0537/1177/products/Windrider_40_by_Hyperlite_Mountain_Gear_15.png?v=1744926353","https://cdn.shopify.com/s/files/1/0537/1177/files/Windrider_40_by_Hyperlite_Mountain_Gear_16.png?v=1744926359","https://cdn.shopify.com/s/files/1/0537/1177/products/Windrider_40_by_Hyperlite_Mountain_Gear_17.png?v=1744926367","https://cdn.shopify.com/s/files/1/0537/1177/products/Windrider_40_by_Hyperlite_Mountain_Gear_18.png?v=1744926373","https://cdn.shopify.com/s/files/1/0537/1177/products/Windrider_40_by_Hyperlite_Mountain_Gear_19.png?v=1744926379","https://cdn.shopify.com/s/files/1/0537/1177/products/packs-windrider-2400-pack-by-hyperlite-mountain-gear-8.jpg?v=1690486438","https://cdn.shopify.com/s/files/1/0537/1177/products/packs-windrider-2400-pack-by-hyperlite-mountain-gear-9.jpg?v=1690486438","https://cdn.shopify.com/s/files/1/0537/1177/products/Windrider_40_by_Hyperlite_Mountain_Gear_20.png?v=1744926395"],"price":307.12,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:42.987Z"},"share_url":"https://firestarter.network/l/lst_R9C-H78g","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_R9C-H78g' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Legacy Windrider 40 by Hyperlite Mountain Gear' and a budget_max comfortably above $307.12 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."]}}