The Ultralight sleeping mat range has a single layer of medium resolution Air Sprung Cells to give you the lightest and smallest packed-volume mat without compromising comfort. These mats are ideal when going light and fast is your aim and getting a great night's sleep is essential for the next day's adventure. All Sea to Summit sleeping mats come with a quality stuff sack, a repair kit containing six self adhesive patches for repairing punctures in the field, and a spare silicone one-way valve flap.Features:Multi-function valve for fast and easy inflation, deflation and fine tuning of air pressure40D rip-stop nylon face fabric offers the right balance between weight and durabilitySea to Summit Signature TPU lamination process - one used in the medical and aeronautical industries but unique to the outdoor industry - is vastly superior to the roll-to-roll lamination process that is commonly used in outdoor products at present. The TPU bonds better and more consistently, virtually eliminating delamination issues.An anti-microbial treatment is added to the TPU to prevent issues caused by warm, moist air trapped inside the mat.Extended storage instructions: mat should be laid flat, folded as few times as possible with valve openVideo -Sea to Summit Sleeping Pads