SKU: SS22869 Weighs: 1249g R-Value: 7.8 Season Rating: Winter Mat Size: Long Wide Mat Type: Airbeds If you are looking for durability over weight and an 'Extreme Cold' mat in a Longer & Wider rectangular format then this mat could be your mat. Exped says: The Exped Dura 8R LW is a durable, extra-warm mats for deman… Dura 8R LW Sleeping Mat