The Thermarest Trekker Roll Sack is a lightweight and multi-purpose storage sack that slides onto the end of your mattress, providing a soft pillow case to fill with extra clothes. When you’re ready to go, simply roll your mattress towards the top and into the elasticized storage pocket. A single compression strap keeps things compressed for easy packing.

Regular:
            Weight: 8.5g
            Diameter: 19cm
            Height: 58cm
            Fits: 20" mattresses

Large:
         Weight: 10.8g
         Diameter: 23cm
         Height: 71cm
         Fits: 25" mattresses

• Packs Easily: Opens the full length of the sack making loading and unloading easy
• Versatile: A generous overlap and compression straps allow a wide fit range to accommodate a single mattress or complete sleep systems