【New, Unused】 OMM Core Liner Orange: Standard Size (190cm) Purchased around January 2025, but I am selling it because I have never used it. PRIMALOFT ACTIVE Insulation Fabric Technology Sleeping Bag Liner The lightest and warmest synthetic insulation. The XL size (Dark Red) with a length of 200cm has been released from AW24. The Core Liner enhances the insulation of a sleeping bag and can also be used as a blanket after arriving at the campsite. With a large opening and a 3D hood design, you can completely fit inside, and you can sit and move your arms freely. By utilizing the ultra-stretch properties unique to PRIMALOFT® ACTIVE, you can fit the 3D hood around your face and further enhance the insulation. UL Ultralight Mountaineering Hiking Sleeping bag