{"product_id":"big-agnes-fly-creek-ul-850-rds-downtek-ultralight-sleeping-bag-50-f-long-zip-quilt","title":"Big Agnes Fly Creek UL 850 RDS DownTek Ultralight Sleeping Bag – 50°F, Long | Zip Quilt","description":"\u003cdiv\u003e\n  \u003cp\u003eMeet the Fly Creek UL 850 DownTek from Big Agnes, an ultralight sleeping solution designed for backpackers who value flexibility and reliable warmth on mixed-weather nights. Its thoughtful construction centers on keeping重量 light while maximizing loft, so you can move through camp chores without feeling weighed down by gear. The design emphasizes real-world comfort, responsive to changing temperatures and sleeping styles, making it a strong companion for fast trips or longer expeditions where every ounce matters.\u003c\/p\u003e\n  \u003cp\u003eA standout feature is the FlipIt Footbox, which lets you switch between a traditional mummy configuration and an open quilt. This versatile option supports personalized warmth and ventilation, letting you tailor your sleep setup as conditions shift without swapping bags or gear pieces.\u003c\/p\u003e\n  \u003cp\u003eThe shell and fill pairing blends performance with responsibility. Ultralight NetPlus nylon ripstop is crafted from recycled fishing nets, paired with premium 850-fill down for a robust warmth-to-weight ratio. The result is loft that holds up under pack stowage while remaining light enough for fast-moving days on the trail.\u003c\/p\u003e\n  \u003ch3\u003eKey design features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eInnovative Versatility - Choose from a traditional mummy bag design or the FlipIt Footbox quilt that transforms from an open quilt to a fully enclosed sleeping bag\u003c\/li\u003e\n    \u003cli\u003eUltralight Premium Materials - Ultralight NetPlus nylon ripstop made from recycled fishing nets paired with high-quality 850-fill down for exceptional warmth-to-weight ratio\u003c\/li\u003e\n    \u003cli\u003eBig Agnes Signature Diamond Quilting - Prevents down migration while using less stitching than traditional quilt lines, saving weight and providing better loft\u003c\/li\u003e\n    \u003cli\u003eThermal Efficiency Design - Insulated draft collars, ergonomic footbox construction, and low-profile cordlocks made with renewable materials ensure maximum warmth retention\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eBeyond loft and warmth, the packaging and storage options keep field logistics simple. Mesh storage sacks preserve loft during long-term care, while compact stuff sacks fit into trail-ready setups. The system is compatible with Big Agnes Compression Stuff Sacks, helping you minimize packed size for easier backpacking or travel.\u003c\/p\u003e\n  \u003ch3\u003ePractical use scenarios\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAdaptive nights: switch between quilt and enclosed bag to regulate temperature without extra layers\u003c\/li\u003e\n    \u003cli\u003eCompact carry: ultralight shell and down deliver warmth without bulk, ideal for lightweight trips\u003c\/li\u003e\n    \u003cli\u003eField-ready storage: mesh and stuff sacks keep loft intact while stowed in a pack or car\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eIn real-world use, this sleeping system offers a balanced blend of warmth, compressibility, and adaptability suitable for cool-to-mild nights. While performance can vary with conditions, the Fly Creek UL 850 DownTek presents a credible option for travelers who want flexibility and reliable loft without carrying extra weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is unique about the Fly Creek UL 850 DownTek sleeping bag?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It blends a mummy bag with a transformable FlipIt Footbox quilt for flexible warmth options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the Fly Creek UL 850 DownTek perform well on cool nights around 50°F?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it includes insulated draft collars and a low-profile cord system to help retain warmth.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Big Agnes","offers":[{"title":"Default Title","offer_id":42065577214032,"sku":"B0DSCKDYSW","price":715.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/9645\/8576\/files\/big-agnes-fly-creek-ul-850-downtek-packable.jpg?v=1771864451","url":"https:\/\/canadawildco.com\/products\/big-agnes-fly-creek-ul-850-rds-downtek-ultralight-sleeping-bag-50-f-long-zip-quilt","provider":"Canada WildCo. | Hunting Gear, Fishing Equipment \u0026 Outdoor Essentials for the Canadian Wild","version":"1.0","type":"link"}