{"product_id":"iceflame-down-three-season-sleeping-bag-0-3-core-series","title":"Iceflame 3 Season Down Sleeping Bag (0°C \u0026 3°C) - Core Series","description":"\u003cp\u003eBuilt for lightweight three-season nights, the Iceflame Core Series brings together two down sleeping-bag designs for campers and backpackers who want to choose the balance of warmth, weight and fabric durability that suits their trips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCore NXT (0°C)\u003c\/strong\u003e is the more robust option, using full 3D box-wall baffles to help the down loft and a 10D ripstop nylon shell with a durable water-repellent finish. \u003cstrong\u003eCorelite (3°C)\u003c\/strong\u003e takes the same fully baffled 3D-box approach in an exceptionally light, highly breathable 7D nylon construction for milder conditions and weight-conscious packing.\u003c\/p\u003e\n\u003ch3\u003eAvailable Choices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e choose Core NXT with either right- or left-hand zip, or Corelite with a right-hand zip. The model choice sets the stated temperature rating and construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e select R or L for the fit and internal length that best suits you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDown Type:\u003c\/strong\u003e choose from the down-fill options shown for your selected variant; the 900FP option is labelled Extra Warmth in the selector.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 3D box-baffle construction:\u003c\/strong\u003e supports the down's loft for insulated, comfortable sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDown-filled warmth:\u003c\/strong\u003e Core NXT uses RDS-certified 850FP or 900FP Muscovy duck down; Corelite uses RDS-certified 850FP+ Muscovy duck down in its standard construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurposeful fabric choices:\u003c\/strong\u003e a 10D ripstop, DWR-treated shell on Core NXT prioritises durability, while Corelite's 7D nylon keeps weight exceptionally low and breathability high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackable by design:\u003c\/strong\u003e Core NXT includes a compression bag for reducing packed volume.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Temperature needs vary with the sleeper, clothing, sleep mat and conditions. Choose a rating with an appropriate margin for your expected overnight temperatures.\u003c\/p\u003e\n\u003cp\u003eNeed a warmer custom setup? Extra down can be added at £30 per 100 g; please contact us to discuss your requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0967\/5007\/6249\/files\/core-nxt-corelite-specifications-v3.png?v=1790416683\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Tanwa Outdoor","offers":[{"title":"Core NXT Right Zipper (0℃) \/ R \/ 850FP","offer_id":59586641494361,"sku":null,"price":278.0,"currency_code":"GBP","in_stock":true},{"title":"Core NXT Right Zipper (0℃) \/ R \/ 900FP (Extra Warmth)","offer_id":59586641527129,"sku":null,"price":346.0,"currency_code":"GBP","in_stock":true},{"title":"Core NXT Right Zipper (0℃) \/ L \/ 850FP","offer_id":59586641559897,"sku":null,"price":278.0,"currency_code":"GBP","in_stock":true},{"title":"Core NXT Right Zipper (0℃) \/ L \/ 900FP (Extra Warmth)","offer_id":59586641592665,"sku":null,"price":346.0,"currency_code":"GBP","in_stock":true},{"title":"Core NXT Left Zipper (0℃) \/ R \/ 850FP","offer_id":59586641625433,"sku":null,"price":278.0,"currency_code":"GBP","in_stock":true},{"title":"Core NXT Left Zipper (0℃) \/ R \/ 900FP (Extra Warmth)","offer_id":59586641658201,"sku":null,"price":346.0,"currency_code":"GBP","in_stock":true},{"title":"Core NXT Left Zipper (0℃) \/ L \/ 850FP","offer_id":59586641690969,"sku":null,"price":278.0,"currency_code":"GBP","in_stock":true},{"title":"Core NXT Left Zipper (0℃) \/ L \/ 900FP (Extra Warmth)","offer_id":59586641723737,"sku":null,"price":346.0,"currency_code":"GBP","in_stock":true},{"title":"Corelite Right Zipper (3℃) \/ R \/ 850FP","offer_id":59586641756505,"sku":null,"price":189.0,"currency_code":"GBP","in_stock":true},{"title":"Corelite Right Zipper (3℃) \/ R \/ 900FP (Extra Warmth)","offer_id":59586641789273,"sku":null,"price":217.0,"currency_code":"GBP","in_stock":true},{"title":"Corelite Right Zipper (3℃) \/ L \/ 850FP","offer_id":59586641822041,"sku":null,"price":189.0,"currency_code":"GBP","in_stock":true},{"title":"Corelite Right Zipper (3℃) \/ L \/ 900FP (Extra Warmth)","offer_id":59586641854809,"sku":null,"price":217.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/5007\/6249\/files\/iceflame-core-series-lead-aligned-1500_b416d92a-30f4-44a2-91c8-93a242cfc3be.png?v=1790380858","url":"https:\/\/www.tanwaoutdoor.co.uk\/products\/iceflame-down-three-season-sleeping-bag-0-3-core-series","provider":"Tanwa Outdoor","version":"1.0","type":"link"}