- Material: [body] polyester, [insulation] Texpedloft microfiber
- Shape: rectangular
- Dimensions: [S] 64.2 x 20.5 x 2.8in, [M] 72 x 20.5 x 2.8in, [LW] 77.6 x 25.6 x 2.8in
- R-Value: 3.30
- Stuff Sack: yes
Details: The ultralight SynMat UL provides some serious insulation when you’re counting grams and cutting the tags out of your undies to cut weight. The welded baffles of the SynMat are filled with microfiber insulation to eliminate cold spots and provide a comfortable night’s sleep in the backcountry without going over on grams.