SKU: SS22874 Weighs: 617g R-Value: 2.2 Season Rating: 3 Season Mat Size: Long Wide Mat Type: Closed Cell Foam Mats UOG TOP PICK - Exped FlexMat Plus LW Sleeping Mat - Possibly the best of the closed cell foam mats, seems to get the best R-Value and its oversized compared to others for no more weight. Exped's FlexMat Plus Sleeping Mat… FlexMat Plus LW Sleeping Mat