{"product_id":"mongbyya-ultralight-sleeping-bag-liner-compact-travel-sheet-sanded-polyester-770g-packable","title":"MongByYa Ultralight Sleeping Bag Liner – Compact Travel Sheet, Sanded Polyester, 770g Packable","description":"\u003cp\u003e\u003cstrong\u003eThe MongByYa Sleeping Bag Liner is an ultralight, breathable travel sheet that protects your sleeping bag or acts as a standalone sleep sack for camping, hostels, and hotels.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you need a hygienic layer for shared accommodations or a space-saving option for multi-season backpacking, this compact sleep liner balances weight, comfort, and versatility. Constructed from silky polyester with sanding technology, it folds into a small pouch, fits easily into a backpack or carry-on, and includes user-friendly features like top buckles and a bottom zipper for ventilation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this liner save space and weight on the trail?\u003c\/h3\u003e\n\u003cp\u003eThe MongByYa liner is engineered to minimize bulk while still providing soft coverage. At about 1.7 lb (770 g) and compressible into a compact pouch, it’s designed for hikers and travelers who must prioritize pack space.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUltralight construction at approximately 770 g.\u003c\/li\u003e\n  \u003cli\u003eCompresses into a small pouch for easy packing.\u003c\/li\u003e\n  \u003cli\u003eFits into carry-ons and daypacks without crowding gear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comfort and fabric features should I expect overnight?\u003c\/h3\u003e\n\u003cp\u003eThe fabric uses a sanding finish to create a smooth, quiet surface that feels soft against the skin and resists pilling and fading. Breathable polyester helps keep you cooler in warm conditions and comfortable during shoulder seasons.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSilky, noise-reduced surface for minimal crinkle.\u003c\/li\u003e\n  \u003cli\u003eBreathable material that helps regulate warmth.\u003c\/li\u003e\n  \u003cli\u003eDurable finish resists pilling and color loss after repeated use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the liner adapt to different sleeping setups and temperatures?\u003c\/h3\u003e\n\u003cp\u003eDesigned for flexible use, the liner can serve inside a winter sleeping bag to protect it and add modest warmth, or be used alone as a lightweight sleeping bag during warm nights. Practical openings let you control airflow without fully removing the liner.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse as a protective liner to extend sleeping bag life and simplify cleaning.\u003c\/li\u003e\n  \u003cli\u003eAdds roughly 10–15°F of additional insulation when layered inside a bag.\u003c\/li\u003e\n  \u003cli\u003eTwo top buckles and a bottom invisible zipper allow partial or full ventilation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to care for and fit my bed?\u003c\/h3\u003e\n\u003cp\u003eThe MongByYa liner comes in multiple sizes to suit single and double sleepers and is machine washable for simple maintenance after travel. Low-tumble drying keeps it ready for the next trip without special handling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvailable in three sizes for single or two-person use.\u003c\/li\u003e\n  \u003cli\u003eMachine washable; tumble dry low recommended.\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist shrinking, fading, and fabric breakdown from repeated washes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Travelers, backpackers, hostel guests, and anyone who needs a hygienic, lightweight sleep layer will benefit from the MongByYa Sleeping Bag Liner. It’s especially useful for people who want to reduce laundry and wear on their primary sleeping bag, those packing light for multi-day treks, and frequent hotel or shared-accommodation users who prefer a clean, soft barrier between themselves and unfamiliar bedding.\u003c\/p\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: Can I use this liner alone in summer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The breathable polyester liner works as a standalone light sleeping bag for warm nights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I clean the MongByYa liner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Machine wash and tumble dry low; it’s designed to tolerate regular cleaning without fading.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MongByYa","offers":[{"title":"Default Title","offer_id":59349968781660,"sku":"B09V7NH9KC","price":55.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5604\/9244\/files\/mongbyya-front-liner-open.jpg?v=1791109692","url":"https:\/\/sportium.co.uk\/products\/mongbyya-ultralight-sleeping-bag-liner-compact-travel-sheet-sanded-polyester-770g-packable","provider":"Sportium Sports And Outdoors","version":"1.0","type":"link"}