SKU: SS23019 Weighs: 505g (excluding bag) Mat Size: Long R-Value: 4.5 Season Rating: Winter Mat Type: Airbeds UOG TOP PICK - NeoAir XLite NXT:  Its impressive R-value, minuscule weight and diminished decibels make the NeoAir XLite NXT a contender for the best mat on the market and one of our top picks Thermarest says: … NeoAir XLite NXT Large Sleeping Mat